{"title":"Wolf Tooth","description":null,"products":[{"product_id":"wolf-tooth-centerlock-rotor-lockring-internal-splined","title":"Wolf Tooth Centerlock Rotor Lockring - Internal Splined","description":"\u003cp\u003eThis is an \u003cstrong\u003einternal splined CenterLock lockring\u003c\/strong\u003e for holding a CenterLock rotor on a CenterLock hub. Wolf Tooth machines it in Minnesota from 7075-T6 aluminum and finishes it in a durable anodized coat.\u003c\/p\u003e\n\u003cp\u003eThe internal spline keeps the profile slim, so it fits frames and forks that lack the room for Wolf Tooth's external-spline CenterLock lockring. It is offered in Black and Olive.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRiders running CenterLock rotors on CenterLock hubs\u003c\/li\u003e\n\u003cli\u003eBikes with a 12mm thru axle or a quick-release axle\u003c\/li\u003e\n\u003cli\u003eFrames or forks where the external lockring will not clear\u003c\/li\u003e\n\u003cli\u003eNot for 6-bolt rotors or 6-bolt hubs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenterLock only, 12mm thru axle or QR\u003c\/strong\u003e — no other axle standards are listed, and it does not work with 6-bolt rotors or hubs.\u003c\/li\u003e\n\u003cli\u003eTighten to \u003cstrong\u003e40Nm\u003c\/strong\u003e on installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eSlim internal spline.\u003c\/strong\u003e Moving the tool interface inside the ring trims its outer profile, which is what lets it sit where the external version runs out of room.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7075-T6 aluminum.\u003c\/strong\u003e A high-strength alloy, machined rather than stamped, holds up to the 40Nm install torque, and anodizing protects the surface.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo finishes.\u003c\/strong\u003e Black blends in on most hubs; Olive adds a color accent at the rotor.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Low-profile fit where external lockrings interfere, machined 7075-T6 construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Axle compatibility is listed only for 12mm thru and QR.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e The internal spline is the clearance fix the external-spline lockring cannot offer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eAt Victory Bicycle Studio we reach for this lockring when a fork leg or dropout crowds the rotor and an external ring will not seat.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor interface:\u003c\/strong\u003e CenterLock (not 6-bolt)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpline:\u003c\/strong\u003e Internal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle compatibility:\u003c\/strong\u003e 12mm thru axle, QR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum, anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque:\u003c\/strong\u003e 40Nm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Black, Olive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Minnesota, USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Black","offer_id":67796195410227,"sku":"RTR-LCKRNG-IS-BLK","price":16.95,"currency_code":"USD","in_stock":true},{"title":"Olive","offer_id":67796195442995,"sku":"RTR-LCKRNG-IS-OLV","price":16.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/da873ce1e2340498bb08feef870489c4da84691d.jpg?v=1782248910"},{"product_id":"wolf-tooth-premium-headset-is52-40-lower","title":"Wolf Tooth Premium Headset - IS52\/40 Lower","description":"\u003cp\u003eThe Wolf Tooth Premium IS52\/40 Lower is the \u003cstrong\u003elower half only\u003c\/strong\u003e of an integrated (IS) headset, built for frames with a 52mm integrated lower bearing seat and a tapered steerer. It pairs an Enduro-made stainless bearing with a 40 crown race, and it ships in Silver.\u003c\/p\u003e\u003cp\u003eBecause an IS frame seats the bearing directly in the head tube, this lower assembly is where water and grit reach first. Enduro fills the IS52 bearing with high-pressure waterproof grease and runs two dual-lip seals in micro-grooves to shield it.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRiders with an \u003cstrong\u003eIS52\u003c\/strong\u003e integrated lower bearing seat and a tapered fork that takes a 40 crown race.\u003c\/li\u003e\n\u003cli\u003eOwners replacing a worn IS52 lower who ride in rain, mud or heavy sweat.\u003c\/li\u003e\n\u003cli\u003eAnyone who wants a lifetime-warranted lower bearing on an integrated frame.\u003c\/li\u003e\n\u003cli\u003eNot for frames with pressed-in (EC) or zero-stack (ZS) lower cups; those need a different S.H.I.S. code.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. IS52\/40, lower position\u003c\/strong\u003e — confirm your frame's lower code before ordering; this is a single lower assembly, not a complete headset.\u003c\/li\u003e\n\u003cli\u003eCrown race size is 40; check that your fork crown matches before you swap races.\u003c\/li\u003e\n\u003cli\u003eYou still need a matching upper for your frame's upper bore.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e Enduro builds this IS52 bearing around the largest ball size the format allows, which spreads load across more contact and helps it last.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCorrosion resistance.\u003c\/strong\u003e Stainless steel construction is the reason to pick this IS52 over a black oxide version when the bike lives in wet conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSealing.\u003c\/strong\u003e Twin dual-lip seals seated in micro-grooves keep spray and debris off the IS52 bearing races.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e Wolf Tooth backs this IS52\/40 lower with a lifetime warranty.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Enduro stainless bearing for an IS52 seat, waterproof grease, lifetime warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Single lower only, and offered in Silver alone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e An integrated-frame lower that uses stainless rather than black oxide steel for wet-weather riding.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eAt Victory Bicycle Studio we suggest this IS52 lower when a rider keeps losing integrated bearings to winter grime; confirm the 40 crown race on your fork first.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Premium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower (single lower assembly)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e IS52\/40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown race:\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Enduro cartridge, stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Lifetime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Silver\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Silver","offer_id":67801514148147,"sku":"IS52L-40","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/4fdea9f19a73238622df9337ac8dde663901d069.jpg?v=1782250279"},{"product_id":"wolf-tooth-premium-headset-ec34-28-6-upper-16mm-stack","title":"Wolf Tooth Premium Headset - EC34\/28.6 Upper 16mm Stack","description":"\u003cp\u003eThe Wolf Tooth Premium EC34\/28.6 Upper is a \u003cstrong\u003esingle upper cup\u003c\/strong\u003e for head tubes with a 34mm external-cup upper bore and a 1-1\/8in (28.6) steerer at the top. Its 5mm top cover brings total stack to \u003cstrong\u003e16mm\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe cup is machined from aircraft-grade aluminum and carries an Enduro bearing. It comes in Ultraviolet Purple, Black, Raw Silver and Orange, with a stem cap, aluminum bolt and star nut in the box.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRiders whose frame uses an \u003cstrong\u003eEC34\u003c\/strong\u003e pressed upper cup with a 28.6 steerer.\u003c\/li\u003e\n\u003cli\u003eBuilders who can accommodate 16mm of stack above the head tube.\u003c\/li\u003e\n\u003cli\u003eRiders who see wet trails or sweat drip onto the front end and want a stainless upper bearing.\u003c\/li\u003e\n\u003cli\u003eIf your frame is ZS44 or IS41 at the top, this EC34 cup will not fit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. EC34\/28.6, upper position\u003c\/strong\u003e — this is one upper cup, not a full headset; pair it with a lower that matches your frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16mm total stack\u003c\/strong\u003e (5mm top cover) raises the stem; account for it when setting bar height and steerer length.\u003c\/li\u003e\n\u003cli\u003eChoose from Ultraviolet Purple, Black, Raw Silver or Orange to match the lower half.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eConstruction.\u003c\/strong\u003e An aircraft-grade aluminum EC34 cup presses into the frame and holds an Enduro bearing sized for the largest possible balls.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e Stainless steel and high-pressure waterproof grease give this EC34 upper strong resistance to corrosion.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSealing.\u003c\/strong\u003e An O-ring blocks water around the steerer, a molded lip seal guards the top of the bearing, and dual-lip seals in micro-grooves add another layer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIncluded hardware.\u003c\/strong\u003e The ultralight stem cap has a spacer built in and comes with an aluminum bolt and a star nut, so the EC34 install is complete up top.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e Lifetime coverage from Wolf Tooth applies to this 16mm-stack upper.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Stainless Enduro bearing, triple-layer sealing, four colors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e 16mm stack is taller than a low-profile cover, and only the upper half is included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e An EC34 upper with a 5mm cover and stem cap included, offered in Ultraviolet Purple, Black, Raw Silver and Orange.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eVictory Bicycle Studio uses this cup to add a color accent on EC34 frames that ride in the wet; measure your steerer before committing to the 16mm stack.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Premium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Upper (single cup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e EC34\/28.6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStack height:\u003c\/strong\u003e 16mm (5mm top cover)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Enduro, stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Stem cap with integrated spacer, aluminum bolt, star nut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 64g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Lifetime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Ultraviolet Purple, Black, Raw Silver, Orange\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Ultraviolet Purple","offer_id":67800206115123,"sku":"EC34U-5MM-PRU","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":67800206147891,"sku":"EC34U-5MM-BLK","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Raw Silver","offer_id":67800206180659,"sku":"EC34U-5MM-RSIL","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":67800206213427,"sku":"EC34U-5MM-ORG","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/640cb447dcf10a4106fad74ae6e3a21f9465ee43.jpg?v=1782251301"},{"product_id":"wolf-tooth-premium-headset-ec49-40-lower","title":"Wolf Tooth Premium Headset - EC49\/40 Lower","description":"\u003cp\u003eThe Wolf Tooth Premium EC49\/40 Lower is a \u003cstrong\u003esingle lower cup\u003c\/strong\u003e for oversized 49mm external-cup lower bores on tapered-steerer bikes. It ships in Gold with a 40 crown race.\u003c\/p\u003e\u003cp\u003eWolf Tooth machines the EC49 cup from aircraft-grade aluminum and fits an Enduro stainless bearing packed with high-pressure waterproof grease. A molded dual-lip seal on the crown race adds protection where the front wheel throws the most spray.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRiders with an \u003cstrong\u003eEC49\u003c\/strong\u003e lower bore, common on frames built around large-diameter head tubes.\u003c\/li\u003e\n\u003cli\u003eForks that take a \u003cstrong\u003e40 crown race\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eRiders who ride wet and want stainless steel at the bottom of the head tube.\u003c\/li\u003e\n\u003cli\u003ePick a ZS56 or IS52 lower instead if that is what your frame specifies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. EC49\/40, lower position\u003c\/strong\u003e — one pressed lower cup, not a complete headset, so source a matching upper.\u003c\/li\u003e\n\u003cli\u003eCrown race is 40; verify your fork crown seat.\u003c\/li\u003e\n\u003cli\u003eGold is the only color on this cup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eConstruction.\u003c\/strong\u003e The EC49 cup is aircraft-grade aluminum, pressed externally into the head tube.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e Enduro uses the biggest balls that fit this EC49 bearing and fills it with waterproof grease under pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSealing.\u003c\/strong\u003e Micro-groove dual-lip seals, plus a custom dual-lip seal on the crown race, close off the gold lower against mud and water.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e Lifetime warranty coverage from Wolf Tooth.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Stainless bearing and crown-race seal sized for an EC49 lower.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Single color, and the upper is sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e A gold EC49 lower with a sealed crown race, rather than a bare race.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eWe at Victory Bicycle Studio like this EC49 cup when a rider wants a gold detail at the fork crown; check that your bore really is 49mm before pressing it in.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Premium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower (single cup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e EC49\/40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown race:\u003c\/strong\u003e 40, with dual-lip seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Enduro cartridge, stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Lifetime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Gold\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Gold","offer_id":67801486524723,"sku":"EC49L-40-GLD","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/58f74b0792e8f2a08d853a11cb0a51fccc7a8434.jpg?v=1782252370"},{"product_id":"wolf-tooth-performance-headset-ec34-28-6-upper-16mm-stack","title":"Wolf Tooth Performance Headset - EC34\/28.6 Upper 16mm Stack","description":"\u003cp\u003eThe Wolf Tooth Performance EC34\/28.6 Upper is a \u003cstrong\u003esingle upper cup\u003c\/strong\u003e for 34mm external-cup upper bores and 1-1\/8in steerers. A 5mm top cover sets total stack at \u003cstrong\u003e16mm\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThis Performance version uses black oxide cartridge bearings made from chromium steel inside an aircraft-grade aluminum cup. Colors are Black and Raw Silver, and the stem cap, aluminum bolt and star nut are included.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRiders with an \u003cstrong\u003eEC34\u003c\/strong\u003e upper bore and a 28.6 steerer top.\u003c\/li\u003e\n\u003cli\u003eRiders replacing a worn EC34 upper who want sealed black oxide bearings.\u003c\/li\u003e\n\u003cli\u003eBuilds that have room for a 16mm stack above the frame.\u003c\/li\u003e\n\u003cli\u003eRiders in constant wet weather may prefer the Premium EC34 upper with a stainless bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. EC34\/28.6, upper position\u003c\/strong\u003e — one upper cup only; the lower is a separate purchase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16mm stack\u003c\/strong\u003e from the 5mm top cover adds height to the cockpit.\u003c\/li\u003e\n\u003cli\u003eBlack or Raw Silver.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e Chromium-steel black oxide cartridge bearings carry high loads and resist corrosion better than plain steel in this EC34 cup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction.\u003c\/strong\u003e Wolf Tooth machines the Performance EC34 cup from aircraft-grade aluminum.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSealing.\u003c\/strong\u003e Around the steerer an O-ring stops water, and a custom-molded lip seal shelters the upper bearing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIncluded hardware.\u003c\/strong\u003e A light stem cap with built-in spacer, an aluminum bolt and a star nut complete the upper on a 16mm-stack setup.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Sealed black oxide bearing, full upper hardware, two finishes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Black oxide is less corrosion-resistant than the Premium stainless bearing, and 16mm stack is tall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e A Black or Raw Silver EC34 upper built around chromium-steel bearings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eVictory Bicycle Studio fits this Performance cup on EC34 bikes that just need a reliable upper refresh; go Premium if the bike sees a lot of rain.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Upper (single cup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e EC34\/28.6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStack height:\u003c\/strong\u003e 16mm (5mm top cover)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Black oxide chromium steel cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Stem cap with integrated spacer, aluminum bolt, star nut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Black, Raw Silver\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Black","offer_id":67799816175923,"sku":"EC34U-5MM-BLK-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Raw Silver","offer_id":67799816208691,"sku":"EC34U-5MM-RSIL-B","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/250f11235666e475d764a8312089374a4a215a54.jpg?v=1782252614"},{"product_id":"wolf-tooth-performance-headset-zs44-28-6-upper-6mm-stack","title":"Wolf Tooth Performance Headset - ZS44\/28.6 Upper 6mm Stack","description":"\u003cp\u003eThe Wolf Tooth Performance ZS44\/28.6 Upper is a \u003cstrong\u003esingle upper cup\u003c\/strong\u003e for zero-stack 44mm upper bores with a 1-1\/8in steerer. It sits low, with a \u003cstrong\u003e6mm stack\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eInside the aircraft-grade aluminum cup is a chromium-steel black oxide cartridge bearing. It is offered in Black, Orange and Ultraviolet Purple, and the stem cap, bolt and star nut come with it.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFrames with a \u003cstrong\u003eZS44\u003c\/strong\u003e zero-stack upper bore and 28.6 steerer.\u003c\/li\u003e\n\u003cli\u003eRiders who want to keep the stem low; 6mm adds little height.\u003c\/li\u003e\n\u003cli\u003eRiders adding an Orange or Ultraviolet Purple accent at the top of the head tube.\u003c\/li\u003e\n\u003cli\u003eEC34 or IS41 frames need a different upper.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. ZS44\/28.6, upper position\u003c\/strong\u003e — this is the upper cup only, not a full headset.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6mm stack\u003c\/strong\u003e keeps the front end low; if you are swapping from a taller cover, you may gain usable steerer.\u003c\/li\u003e\n\u003cli\u003eColors: Black, Orange, Ultraviolet Purple.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e A black oxide cartridge bearing of chromium steel gives the ZS44 upper high load capacity and some corrosion resistance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction.\u003c\/strong\u003e This zero-stack cup is machined from aircraft-grade aluminum.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSealing.\u003c\/strong\u003e A steerer O-ring and a molded upper lip seal keep water out of the ZS44 bearing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIncluded hardware.\u003c\/strong\u003e Comes with an ultralight stem cap that has the spacer integrated, plus an aluminum bolt and star nut.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Low 6mm stack, sealed upper, three colors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Black oxide steel rather than stainless; upper only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e A low-stack ZS44 upper in Black, Orange or Ultraviolet Purple.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eThis is the ZS44 upper Victory Bicycle Studio reaches for when a rider wants color without raising the bars; pair it with a matching lower for a full set.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Upper (single cup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e ZS44\/28.6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStack height:\u003c\/strong\u003e 6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Black oxide chromium steel cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Stem cap with integrated spacer, aluminum bolt, star nut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Black, Orange, Ultraviolet Purple\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Black","offer_id":67800125538611,"sku":"ZS44U-5MM-BLK-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":67800125571379,"sku":"ZS44U-5MM-ORG-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Ultraviolet Purple","offer_id":67800125604147,"sku":"ZS44U-5MM-PRU-B","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/3d1915aab3398f332c31d4b8dbdd9a8bbfb15e7c.jpg?v=1782255385"},{"product_id":"wolf-tooth-performance-headset-ec44-40-lower","title":"Wolf Tooth Performance Headset - EC44\/40 Lower","description":"\u003cp\u003eThe Wolf Tooth Performance EC44\/40 Lower is a \u003cstrong\u003esingle lower cup\u003c\/strong\u003e for 44mm external-cup lower bores on bikes with a tapered steerer and 40 crown race. Choose Black, Orange or Red.\u003c\/p\u003e\u003cp\u003eWolf Tooth machines it from aircraft-grade aluminum and uses black oxide chromium-steel cartridge bearings. A custom dual-lip seal on the crown race guards the bearing from below.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFrames with an \u003cstrong\u003eEC44\u003c\/strong\u003e pressed lower bore.\u003c\/li\u003e\n\u003cli\u003eTapered forks with a \u003cstrong\u003e40 crown race\u003c\/strong\u003e seat.\u003c\/li\u003e\n\u003cli\u003eRiders replacing a tired EC44 lower with a sealed, colored cup.\u003c\/li\u003e\n\u003cli\u003eIf you ride in the wet constantly, the Premium EC44 lower uses stainless bearings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. EC44\/40, lower position\u003c\/strong\u003e — a single lower cup; the upper is not included.\u003c\/li\u003e\n\u003cli\u003eCrown race 40; check the fork crown before installing.\u003c\/li\u003e\n\u003cli\u003eBlack, Orange or Red.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e Black oxide chromium steel gives this EC44 cup high load capacity and durability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction.\u003c\/strong\u003e The external EC44 cup is aircraft-grade aluminum.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCrown race seal.\u003c\/strong\u003e A custom-molded dual-lip seal on the race shields the lower bearing in mud and spray.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Sealed crown race, chromium-steel bearing, three colors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Not stainless, and only the lower half.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e An EC44 lower offered in Black, Orange and Red.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eWe at Victory Bicycle Studio see EC44 lowers wear out first on trail bikes, and this one is a solid replacement; confirm your bore with calipers if you're unsure.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower (single cup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e EC44\/40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown race:\u003c\/strong\u003e 40, with dual-lip seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Black oxide chromium steel cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Black, Orange, Red\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Black","offer_id":67799918838067,"sku":"EC44L-40-BLK-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":67799918870835,"sku":"EC44L-40-ORG-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":67799918903603,"sku":"EC44L-40-RED-B","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/0e7f338577c8646ba5c83c5318d7eb2f522c1725.jpg?v=1782259468"},{"product_id":"wolf-tooth-blingkit-headset-spacer-kit","title":"Wolf Tooth Headset BlingKit","description":"\u003cp\u003eThe Wolf Tooth Headset BlingKit is a \u003cstrong\u003ecolor-matched spacer and top cap set\u003c\/strong\u003e for 1-1\/8\" steerer tubes, built for riders who want to tune stack height and add a coordinated accent in one package. Made in the USA, it comes in Gold, Orange, Olive, Blue, Ultraviolet Purple and Black.\u003c\/p\u003e\n\u003cp\u003eInside the kit are four headset spacers (3mm, 5mm, 10mm and 15mm), an ultralight integrated 5mm top cap, a longer black aluminum top cap bolt, and two sets of matching anodized bottle cage bolts to carry the color down to the frame.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBikes with a straight 1-1\/8\" steerer or a tapered 1-1\/2\" to 1-1\/8\" steerer\u003c\/li\u003e\n\u003cli\u003eRiders adjusting stem height who want spacers that match each other and the bike\u003c\/li\u003e\n\u003cli\u003eNot for steerers with a top diameter other than 1-1\/8\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-1\/8\" steerer top only\u003c\/strong\u003e — straight 1-1\/8\" or 1-1\/2\" to 1-1\/8\" tapered.\u003c\/li\u003e\n\u003cli\u003eUse the \u003cstrong\u003eincluded longer top cap bolt\u003c\/strong\u003e, since the integrated cap adds height.\u003c\/li\u003e\n\u003cli\u003eThe cage bolts are meant for bottle cages only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFour spacer sizes.\u003c\/strong\u003e The 3, 5, 10 and 15mm spacers add up to 33mm, so you can fine-tune bar height in small steps or make a larger change.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated top cap.\u003c\/strong\u003e The 5mm cap doubles as a spacer while finishing the top of the stack, which keeps the setup clean.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMatching cage bolts.\u003c\/strong\u003e Two sets of anodized bolts tie your bottle cages to the cockpit color.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy construction.\u003c\/strong\u003e The parts are aluminum, made in the USA, and offered in six colors.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Spacers, top cap, bolt and cage bolts all included in one color.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Limited to 1-1\/8\" steerer tops; the cage bolts are for bottle cages only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e Few spacer sets also bring matching bottle cage bolts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eVictory Bicycle Studio likes the BlingKit as a finishing touch on a build, because it lets us dial in stack height and match the color in one step.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteerer compatibility:\u003c\/strong\u003e 1-1\/8\" top (straight 1-1\/8\" or 1-1\/2\" to 1-1\/8\" tapered)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpacers included:\u003c\/strong\u003e 3mm, 5mm, 10mm, 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop cap:\u003c\/strong\u003e Ultralight integrated, 5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop cap bolt:\u003c\/strong\u003e Longer black aluminum bolt, included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtras:\u003c\/strong\u003e 2 sets of anodized bottle cage bolts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Gold, Orange, Olive, Blue, Ultraviolet Purple, Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Gold","offer_id":67796213727539,"sku":"BLINGKIT_GOLD","price":36.95,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":67796213760307,"sku":"BLINGKIT_ORANGE","price":36.95,"currency_code":"USD","in_stock":true},{"title":"Olive","offer_id":67796213793075,"sku":"BLINGKIT_OLV","price":36.95,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":67796213825843,"sku":"BLINGKIT_BLUE","price":36.95,"currency_code":"USD","in_stock":true},{"title":"Ultraviolet Purple","offer_id":67796213858611,"sku":"BLINGKIT-PRU","price":36.95,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":67796213891379,"sku":"BLINGKIT_BLACK","price":36.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/4c61a3dd9ea1fbef04f2a072aae3957b1b0680a9.jpg?v=1782259853"},{"product_id":"wolf-tooth-performance-headset-is52-40-lower","title":"Wolf Tooth Performance Headset - IS52\/40 Lower","description":"\u003cp\u003eThe Wolf Tooth Performance IS52\/40 Lower is the \u003cstrong\u003elower assembly only\u003c\/strong\u003e for integrated head tubes with a 52mm lower bearing seat and a 40 crown race. It comes in Black.\u003c\/p\u003e\u003cp\u003eIt runs a black oxide cartridge bearing made from chromium steel. The black oxide coating cuts down on corrosion compared to bare steel.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIntegrated frames that call for an \u003cstrong\u003eIS52\u003c\/strong\u003e lower bearing.\u003c\/li\u003e\n\u003cli\u003eTapered forks using a \u003cstrong\u003e40 crown race\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eRiders who need a dependable integrated lower replacement for everyday riding.\u003c\/li\u003e\n\u003cli\u003eFor heavy wet-weather use, the Premium IS52 lower has a stainless Enduro bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. IS52\/40, lower position\u003c\/strong\u003e — single lower assembly, not a full headset; pressed EC or ZS frames will not accept it.\u003c\/li\u003e\n\u003cli\u003eFork must take a 40 crown race.\u003c\/li\u003e\n\u003cli\u003eOffered in Black only.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e Chromium steel gives this IS52 bearing high load capacity and durability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCoating.\u003c\/strong\u003e Black oxide on the IS52 bearing helps it resist corrosion.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFormat.\u003c\/strong\u003e In S.H.I.S. terms, IS means integrated: the IS52 bearing sits directly in the head tube.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Simple IS52 drop-in replacement with a corrosion-reducing coating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Black oxide steel instead of stainless; one color.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e The black oxide counterpart to the Premium IS52\/40 lower.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eVictory Bicycle Studio keeps this IS52 lower in mind for quick overhauls on integrated frames; check that your fork uses a 40 race before swapping.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower (single lower assembly)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e IS52\/40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown race:\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Black oxide chromium steel cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Black","offer_id":67800025956659,"sku":"IS52L-40-B","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/9de999850d6c12c27b7e971a6f839781738f5cda.jpg?v=1782261982"},{"product_id":"wolf-tooth-performance-headset-is41-28-6-upper-7mm-stack","title":"Wolf Tooth Performance Headset - IS41\/28.6 Upper 7mm Stack","description":"\u003cp\u003eThe Wolf Tooth Performance IS41\/28.6 Upper is a \u003cstrong\u003esingle upper assembly\u003c\/strong\u003e for integrated 41mm upper bearing seats with a 1-1\/8in steerer. Its stack is \u003cstrong\u003e7mm\u003c\/strong\u003e, and the bearing top cap measures 45.8mm across.\u003c\/p\u003e\u003cp\u003eThe top cap is aircraft-grade aluminum, paired with a black oxide chromium-steel cartridge bearing. Colors are Raw Silver, Ultraviolet Purple and Black, and a stem cap, bolt and star nut are included.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIntegrated frames with an \u003cstrong\u003eIS41\u003c\/strong\u003e upper bearing seat.\u003c\/li\u003e\n\u003cli\u003eSteerers that are \u003cstrong\u003e28.6\u003c\/strong\u003e at the top.\u003c\/li\u003e\n\u003cli\u003eRiders who want a low 7mm stack in Raw Silver, Ultraviolet Purple or Black.\u003c\/li\u003e\n\u003cli\u003eEC34 and ZS44 frames take a different upper.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. IS41\/28.6, upper position\u003c\/strong\u003e — this is the upper half only, not a complete headset.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e45.8mm top cap outer diameter\u003c\/strong\u003e; check clearance against your frame's head tube top.\u003c\/li\u003e\n\u003cli\u003e7mm stack; colors are Raw Silver, Ultraviolet Purple and Black.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e A chromium-steel black oxide bearing gives the IS41 upper load capacity, durability and corrosion resistance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTop cap.\u003c\/strong\u003e The aircraft-grade aluminum cover measures 45.8mm in outer diameter and gives a 7mm stack.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSealing.\u003c\/strong\u003e An O-ring at the steerer and a molded lip seal over the IS41 bearing keep water out.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIncluded hardware.\u003c\/strong\u003e Ships with a stem cap that has its spacer built in, an aluminum bolt and a star nut.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Low 7mm stack, listed 45.8mm cap diameter, 52g weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e The IS41 bearing is black oxide, not stainless, and the lower half is a separate purchase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e A published 45.8mm top cap diameter, useful for matching the head tube shape.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eAt Victory Bicycle Studio we match this IS41 upper to integrated road and gravel frames, and we check the 45.8mm cap against the head tube before ordering.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Upper (single assembly)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e IS41\/28.6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStack height:\u003c\/strong\u003e 7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop cap outer diameter:\u003c\/strong\u003e 45.8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Black oxide chromium steel cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Stem cap with integrated spacer, aluminum bolt, star nut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 52g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Raw Silver, Ultraviolet Purple, Black\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Raw Silver","offer_id":53544323973427,"sku":"IS41U-5MM-RSIL-B","price":39.95,"currency_code":"USD","in_stock":false},{"title":"Black","offer_id":53544324038963,"sku":"IS41U-5MM-BLK-B","price":39.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/3c0b9519a2ddae3a39a6614e1530f8048227cf07.jpg?v=1782334683"},{"product_id":"wolf-tooth-premium-headset-is41-28-6-upper-7mm-stack","title":"Wolf Tooth Premium Headset - IS41\/28.6 Upper 7mm Stack","description":"\u003cp\u003eThe Wolf Tooth Premium IS41\/28.6 Upper is a \u003cstrong\u003esingle upper assembly\u003c\/strong\u003e for integrated head tubes with a 41mm upper bearing seat and a 1-1\/8in steerer top. It has a \u003cstrong\u003e7mm stack\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eEnduro supplies the stainless bearing, and the cover is machined from aircraft-grade aluminum. It is available in Black or Ultraviolet Purple, with stem cap, aluminum bolt and star nut included.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIntegrated frames specified for an \u003cstrong\u003eIS41\u003c\/strong\u003e upper.\u003c\/li\u003e\n\u003cli\u003eSteerers measuring \u003cstrong\u003e28.6\u003c\/strong\u003e at the stem.\u003c\/li\u003e\n\u003cli\u003eRiders on IS41 frames who face rain, wet roads or heavy sweat on the trainer.\u003c\/li\u003e\n\u003cli\u003eIf you need EC or ZS fitment, look at a different cup code.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. IS41\/28.6, upper position\u003c\/strong\u003e — upper only; buy the lower to suit your frame.\u003c\/li\u003e\n\u003cli\u003e7mm stack keeps the stem low.\u003c\/li\u003e\n\u003cli\u003eBlack or Ultraviolet Purple.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e This IS41 Enduro bearing uses the largest balls that fit and is packed with high-pressure waterproof grease.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCorrosion resistance.\u003c\/strong\u003e Stainless steel is why Wolf Tooth recommends this Premium IS41 upper for sweat and wet riding.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSealing.\u003c\/strong\u003e Dual-lip seals in micro-grooves, a steerer O-ring and a molded upper lip seal stack up three lines of defense.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIncluded hardware.\u003c\/strong\u003e The integrated-spacer stem cap, aluminum bolt and star nut come with this upper.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e Wolf Tooth covers the Premium IS41 upper for life.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Stainless Enduro bearing at the spot where sweat lands, plus lifetime coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Two colors, and only the upper half.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e The stainless step-up from the Performance IS41 upper.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eVictory Bicycle Studio recommends this IS41 upper for indoor-trainer bikes, where sweat corrodes the top bearing fastest.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Premium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Upper (single assembly)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e IS41\/28.6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStack height:\u003c\/strong\u003e 7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Enduro cartridge, stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Stem cap with integrated spacer, aluminum bolt, star nut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Lifetime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Black, Ultraviolet Purple\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Black","offer_id":67801502777651,"sku":"IS41U-5MM-BLK","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/d7514034355ca57ef7cf91d093fe2e34274745b6.jpg?v=1782336134"},{"product_id":"wolf-tooth-performance-headset-zs56-40-lower","title":"Wolf Tooth Performance Headset - ZS56\/40 Lower","description":"\u003cp\u003eThe Wolf Tooth Performance ZS56\/40 Lower is a \u003cstrong\u003esingle lower cup\u003c\/strong\u003e for zero-stack 56mm lower bores with a 40 crown race, the setup found on many tapered-steerer mountain bikes. It is offered in six colors.\u003c\/p\u003e\u003cp\u003eThe aluminum ZS56 cup holds a black oxide chromium-steel cartridge bearing and weighs 58g. Choose Raw Silver, Ultraviolet Purple, Black, Blue, Orange or Red.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFrames with a \u003cstrong\u003eZS56\u003c\/strong\u003e zero-stack lower bore.\u003c\/li\u003e\n\u003cli\u003eForks that seat a \u003cstrong\u003e40 crown race\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eRiders who want the widest color choice to match an upper cup or frame accents.\u003c\/li\u003e\n\u003cli\u003eStainless fans should look at the Premium ZS56 lower.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. ZS56\/40, lower position\u003c\/strong\u003e — one lower cup only, not a full headset.\u003c\/li\u003e\n\u003cli\u003eCrown race 40.\u003c\/li\u003e\n\u003cli\u003eSix colors: Raw Silver, Ultraviolet Purple, Black, Blue, Orange and Red.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e Chromium steel with a black oxide finish handles high loads and wears well in this ZS56 cup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction.\u003c\/strong\u003e The zero-stack ZS56 cup is aircraft-grade aluminum and weighs 58g.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCrown race seal.\u003c\/strong\u003e A molded dual-lip seal at the crown race keeps grit off the bearing in rough conditions.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Six colors, sealed race, 58g listed weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Not stainless; lower only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e Six color choices for one ZS56 lower.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eWe at Victory Bicycle Studio point riders to this ZS56 lower when color matching matters most, since it comes in six finishes.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower (single cup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e ZS56\/40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown race:\u003c\/strong\u003e 40, with dual-lip seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Black oxide chromium steel cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 58g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Raw Silver, Ultraviolet Purple, Black, Blue, Orange, Red\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Raw Silver","offer_id":53544617869619,"sku":"ZS56L-40-RSIL-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Ultraviolet Purple","offer_id":53544617902387,"sku":"ZS56L-40-PRU-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":53544617935155,"sku":"ZS56L-40-BLK-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":53544617967923,"sku":"ZS56L-40-BLU-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":53544618000691,"sku":"ZS56L-40-ORG-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":53544618033459,"sku":"ZS56L-40-RED-B","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/f928c293001358d2434ed9f7c65d4c48ddfff167.jpg?v=1782337404"},{"product_id":"wolf-tooth-performance-headset-ec34-30-lower","title":"Wolf Tooth Performance Headset - EC34\/30 Lower","description":"\u003cp\u003eThe Wolf Tooth Performance EC34\/30 Lower is a \u003cstrong\u003esingle lower cup\u003c\/strong\u003e for 34mm external-cup lower bores on bikes with a straight steerer and 30 crown race. Pick Raw Silver, Black or Ultraviolet Purple.\u003c\/p\u003e\u003cp\u003eIts aircraft-grade aluminum cup carries a black oxide chromium-steel cartridge bearing. A custom dual-lip seal on the crown race protects the bearing from below.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFrames with an \u003cstrong\u003eEC34\u003c\/strong\u003e external-cup lower bore.\u003c\/li\u003e\n\u003cli\u003eForks that take a \u003cstrong\u003e30 crown race\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eRiders refreshing an EC34 lower with a sealed cup.\u003c\/li\u003e\n\u003cli\u003eTapered forks with a 40 race need a different lower.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. EC34\/30, lower position\u003c\/strong\u003e — a single lower cup, not a full headset.\u003c\/li\u003e\n\u003cli\u003eCrown race size 30; a tapered fork will not fit.\u003c\/li\u003e\n\u003cli\u003eRaw Silver, Black or Ultraviolet Purple.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e This EC34 lower uses a chromium-steel black oxide bearing for load capacity and durability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction.\u003c\/strong\u003e The 34mm external cup is aircraft-grade aluminum.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCrown race seal.\u003c\/strong\u003e A dual-lip molded seal on the 30 race keeps water and grit out of the bottom bearing.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Sealed 30 crown race, three colors, straight-steerer fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Black oxide rather than stainless, and only the lower.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e A sealed lower built for straight 1-1\/8in steerers rather than tapered forks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eVictory Bicycle Studio sees a lot of EC34 straight-steerer frames come in for overhaul, and this cup gets them back on the road; pair it with an EC34 upper.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower (single cup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e EC34\/30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown race:\u003c\/strong\u003e 30, with dual-lip seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Black oxide chromium steel cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Raw Silver, Black, Ultraviolet Purple\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Raw Silver","offer_id":67799834427699,"sku":"EC34L-30-RSIL-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":67799834460467,"sku":"EC34L-30-BLK-B","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/09486bd75c45013fea089143cdc011f6213510fc.jpg?v=1782340807"},{"product_id":"wolf-tooth-seatpost-clamp-bolt-on","title":"Wolf Tooth Seatpost Clamp - Bolt-On","description":"\u003cp\u003eThe Wolf Tooth Seatpost Clamp is a \u003cstrong\u003ebolt-on aluminum collar\u003c\/strong\u003e that secures your seatpost, made for riders who want even clamping force and a choice of color. It comes in seven clamp diameters from 28.6mm to 39.7mm.\u003c\/p\u003e\n\u003cp\u003eThe clamp is built around a custom self-aligning bolt and anchor. A spherical washer on the stainless steel bolt seats against a cylindrical anchor barrel, so the threads stay aligned as you tighten, which prevents binding.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFrames that use a separate seatpost collar in one of the seven listed diameters\u003c\/li\u003e\n\u003cli\u003eRiders who prefer a bolt-on clamp tightened with a 4mm hex key\u003c\/li\u003e\n\u003cli\u003eBuilders matching the collar color to other anodized parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamp diameter must match your frame\u003c\/strong\u003e — 28.6, 29.8, 31.8, 34.9, 36.4, 38.6 or 39.7mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors vary by diameter\u003c\/strong\u003e: 38.6mm and 39.7mm come in Black only. See the size and color list below.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eSelf-aligning hardware.\u003c\/strong\u003e Because the spherical washer and barrel anchor let the bolt find its own angle, the clamp tightens consistently instead of binding partway.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStainless bolt, integrated washer.\u003c\/strong\u003e The bolt resists corrosion, and its integrated washer means fewer loose parts during install.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4mm hex interface.\u003c\/strong\u003e It uses a common tool size, so a standard multi-tool can adjust it on the trail.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eColor range.\u003c\/strong\u003e Black, Blue, Gold, Raw Silver, Olive, Orange and Red are offered across the size run.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Consistent clamping from the aligned threads, plus seven diameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Bolt-on only, so there is no tool-free adjustment, and color options narrow at the largest diameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e The spherical-washer-and-barrel anchor, which most basic collars do not have.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eWe fit this collar at Victory Bicycle Studio when a stock clamp creaks or slips, because the self-aligning bolt holds tension evenly.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt:\u003c\/strong\u003e Stainless steel with integrated washer; spherical washer and cylindrical anchor barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool interface:\u003c\/strong\u003e 4mm hex key\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamp diameters:\u003c\/strong\u003e 28.6mm, 29.8mm, 31.8mm, 34.9mm, 36.4mm, 38.6mm, 39.7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28.6mm colors:\u003c\/strong\u003e Black, Blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e29.8mm colors:\u003c\/strong\u003e Black, Blue, Gold, Olive, Orange, Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e31.8mm colors:\u003c\/strong\u003e Black, Raw Silver, Olive, Orange, Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e34.9mm colors:\u003c\/strong\u003e Black, Blue, Raw Silver, Olive, Orange, Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36.4mm colors:\u003c\/strong\u003e Black, Blue, Gold, Orange\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e38.6mm colors:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e39.7mm colors:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Black \/ 28.6mm","offer_id":67800600969523,"sku":"SC-29-BLK","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Black \/ 29.8mm","offer_id":67800601002291,"sku":"SC-30-BLK","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Black \/ 31.8mm","offer_id":67800601035059,"sku":"SC-32-BLK","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Black \/ 34.9mm","offer_id":67800601067827,"sku":"SC-35-BLK","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Black \/ 36.4mm","offer_id":67800601100595,"sku":"SC-36-BLK","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Black \/ 38.6mm","offer_id":67800601133363,"sku":"SC-39-BLK","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Black \/ 39.7mm","offer_id":67800601166131,"sku":"SC-40-BLK","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 28.6mm","offer_id":67800606572851,"sku":"SC-29-BLU","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 29.8mm","offer_id":67800606769459,"sku":"SC-30-BLU","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 34.9mm","offer_id":67800607162675,"sku":"SC-35-BLU","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 36.4mm","offer_id":67800607359283,"sku":"SC-36-BLU","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Gold \/ 29.8mm","offer_id":67800606802227,"sku":"SC-30-GLD","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Gold \/ 36.4mm","offer_id":67800607392051,"sku":"SC-36-GLD","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Raw Silver \/ 31.8mm","offer_id":67800607031603,"sku":"SC-32-RSIL","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Raw Silver \/ 34.9mm","offer_id":67800607228211,"sku":"SC-35-RSIL","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Olive \/ 29.8mm","offer_id":67800606867763,"sku":"SC-30-OLV","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Olive \/ 31.8mm","offer_id":67800607064371,"sku":"SC-32-OLV","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Olive \/ 34.9mm","offer_id":67800607260979,"sku":"SC-35-OLV","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Orange \/ 29.8mm","offer_id":67800606900531,"sku":"SC-30-ORG","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Orange \/ 31.8mm","offer_id":67800607097139,"sku":"SC-32-ORG","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Orange \/ 34.9mm","offer_id":67800607293747,"sku":"SC-35-ORG","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Orange \/ 36.4mm","offer_id":67800607490355,"sku":"SC-36-ORG","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Red \/ 29.8mm","offer_id":67800606933299,"sku":"SC-30-RED","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Red \/ 31.8mm","offer_id":67800607129907,"sku":"SC-32-RED","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Red \/ 34.9mm","offer_id":67800607326515,"sku":"SC-35-RED","price":25.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/3ccea0c919498da89cefc2f4c504f6c9262e1e76_5d570c68-6661-41e2-931d-64d93fa59cc5.jpg?v=1782342485"},{"product_id":"wolf-tooth-premium-headset-ec44-40-lower","title":"Wolf Tooth Premium Headset - EC44\/40 Lower","description":"\u003cp\u003eThe Wolf Tooth Premium EC44\/40 Lower is a \u003cstrong\u003esingle lower cup\u003c\/strong\u003e for 44mm external-cup lower bores and tapered forks with a 40 crown race. It comes in Red, Gold and Raw Silver.\u003c\/p\u003e\u003cp\u003eAn Enduro stainless bearing, filled with high-pressure waterproof grease, sits inside an aircraft-grade aluminum cup. The crown race carries its own custom dual-lip seal.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBikes whose frame has a pressed \u003cstrong\u003eEC44\u003c\/strong\u003e lower bore.\u003c\/li\u003e\n\u003cli\u003eTapered forks with a \u003cstrong\u003e40 crown race\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eRiders who see wet trails and want stainless steel at the lower bearing.\u003c\/li\u003e\n\u003cli\u003eIf you mostly ride dry, the Performance EC44 lower uses black oxide bearings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. EC44\/40, lower position\u003c\/strong\u003e — one lower cup only; the upper is sold separately.\u003c\/li\u003e\n\u003cli\u003e40 crown race; confirm your fork.\u003c\/li\u003e\n\u003cli\u003eRed, Gold or Raw Silver.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e Enduro designs this EC44 bearing around the largest possible ball size for load spread.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCorrosion resistance.\u003c\/strong\u003e Stainless steel and waterproof grease make this Premium EC44 cup suited to wet riding.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSealing.\u003c\/strong\u003e Dual-lip seals in micro-grooves plus a molded crown-race seal close off the cup from spray.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction.\u003c\/strong\u003e The EC44 cup is machined from aircraft-grade aluminum.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Stainless bearing, double-sealed crown race, Red, Gold and Raw Silver finishes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Lower cup only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e The stainless counterpart to the Performance EC44 lower, with Gold and Raw Silver added.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eWe at Victory Bicycle Studio fit this EC44 lower on bikes that see mud season; Gold and Red make a good match for colored uppers.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Premium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower (single cup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e EC44\/40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown race:\u003c\/strong\u003e 40, with dual-lip seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Enduro cartridge, stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Red, Gold, Raw Silver\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Red","offer_id":67801467748659,"sku":"EC44L-40-RED","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":67801467781427,"sku":"EC44L-40-GLD","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Raw Silver","offer_id":67801467814195,"sku":"EC44L-40-RSIL","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/e7f58af84e0511e891dc9621367c0c98545eca23.jpg?v=1782345529"},{"product_id":"wolf-tooth-premium-headset-zs44-28-6-upper-6mm-stack","title":"Wolf Tooth Premium Headset - ZS44\/28.6 Upper 6mm Stack","description":"\u003cp\u003eThe Wolf Tooth Premium ZS44\/28.6 Upper is a \u003cstrong\u003esingle upper cup\u003c\/strong\u003e for zero-stack 44mm upper bores with a 1-1\/8in steerer top, with a low \u003cstrong\u003e6mm stack\u003c\/strong\u003e. 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ZS44\/28.6, upper position\u003c\/strong\u003e — the upper cup only, not a full headset.\u003c\/li\u003e\n\u003cli\u003e6mm stack keeps the bars low.\u003c\/li\u003e\n\u003cli\u003eBlue, Gold, Black, Orange or Ultraviolet Purple.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e The ZS44 Enduro bearing uses maximum ball size and waterproof grease applied under pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCorrosion resistance.\u003c\/strong\u003e Stainless steel suits this upper to sweaty climbs and wet descents.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSealing.\u003c\/strong\u003e A steerer O-ring, molded upper lip seal and micro-groove dual-lip seals all guard the ZS44 bearing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIncluded hardware.\u003c\/strong\u003e An ultralight stem cap with spacer, an aluminum bolt and a star nut finish the install.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e Wolf Tooth offers a lifetime warranty on this ZS44 upper.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Stainless bearing, 6mm stack, five colors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Upper only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e A low-stack ZS44 upper with Gold and Blue among its color options.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eVictory Bicycle Studio pairs this ZS44 upper with a ZS56 lower on many trail builds; it is the cup we suggest when a rider wants stainless with a low front end.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Premium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Upper (single cup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e ZS44\/28.6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStack height:\u003c\/strong\u003e 6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Enduro cartridge, stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Stem cap with integrated spacer, aluminum bolt, star nut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Lifetime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Blue, Gold, Black, Orange, Ultraviolet Purple\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Blue","offer_id":67801565757747,"sku":"ZS44U-5MM-BLU","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":67801565790515,"sku":"ZS44U-5MM-GLD","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":67801565823283,"sku":"ZS44U-5MM-BLK","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Ultraviolet Purple","offer_id":67801565233459,"sku":"ZS44U-5MM-PRU","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/cf0049a5f47d047bf5f90671f09af3f11091bb9c_e367fad7-49f0-4475-b376-177916bbbc72.jpg?v=1782345970"},{"product_id":"wolf-tooth-premium-headset-zs56-40-lower","title":"Wolf Tooth Premium Headset - ZS56\/40 Lower","description":"\u003cp\u003eThe Wolf Tooth Premium ZS56\/40 Lower is a \u003cstrong\u003esingle lower cup\u003c\/strong\u003e for zero-stack 56mm lower bores and tapered forks with a 40 crown race. It is offered in Black and Raw Silver.\u003c\/p\u003e\u003cp\u003eInside the aircraft-grade aluminum ZS56 cup is a stainless bearing made by Enduro and packed with waterproof grease. A custom-molded dual-lip seal on the crown race keeps the lower bearing protected.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBikes built with a \u003cstrong\u003eZS56\u003c\/strong\u003e zero-stack lower bore.\u003c\/li\u003e\n\u003cli\u003eTapered forks that seat a \u003cstrong\u003e40 crown race\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eMountain bikers who ride wet trails and want stainless at the lower bearing.\u003c\/li\u003e\n\u003cli\u003eRiders after more color options can look at the Performance ZS56 lower.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. ZS56\/40, lower position\u003c\/strong\u003e — one lower cup only, not a headset set.\u003c\/li\u003e\n\u003cli\u003e40 crown race.\u003c\/li\u003e\n\u003cli\u003eBlack or Raw Silver.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e This ZS56 Enduro bearing is engineered with the largest balls the size allows.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCorrosion resistance.\u003c\/strong\u003e Stainless steel is the recommended choice for a lower cup that sits in wheel spray.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSealing.\u003c\/strong\u003e Micro-groove dual-lip seals plus a dedicated crown race seal block water and debris.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e Covered by Wolf Tooth's lifetime warranty.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Stainless ZS56 bearing, sealed crown race, lifetime coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Two colors, lower only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e The stainless option for ZS56 frames, in understated Black or Raw Silver.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eAt Victory Bicycle Studio this is our go-to ZS56 lower for riders who wash their bikes often or ride through creeks.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Premium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower (single cup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e ZS56\/40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown race:\u003c\/strong\u003e 40, with dual-lip seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Enduro cartridge, stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Lifetime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Black, Raw Silver\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Black","offer_id":67801634308403,"sku":"ZS56L-40-BLK","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Raw Silver","offer_id":67801634341171,"sku":"ZS56L-40-RSIL","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/9d23d96d0c76852453b2c7538d94b762984912bc.jpg?v=1782424535"},{"product_id":"wolf-tooth-premium-headset-ec34-30-lower","title":"Wolf Tooth Premium Headset - EC34\/30 Lower","description":"\u003cp\u003eThe Wolf Tooth Premium EC34\/30 Lower is a \u003cstrong\u003esingle lower cup\u003c\/strong\u003e for 34mm external-cup lower bores with a 30 crown race, for straight 1-1\/8in steerers. It adds \u003cstrong\u003e12.25mm of lower stack\u003c\/strong\u003e and weighs 37g.\u003c\/p\u003e\u003cp\u003eWolf Tooth machines the cup from aircraft-grade aluminum and fits an Enduro stainless bearing. Colors are Ultraviolet Purple, Raw Silver and Orange.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFrames with an \u003cstrong\u003eEC34\u003c\/strong\u003e lower bore and a straight steerer.\u003c\/li\u003e\n\u003cli\u003eForks with a \u003cstrong\u003e30 crown race\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eRiders who want stainless bearings and a lifetime warranty on an EC34 lower.\u003c\/li\u003e\n\u003cli\u003eTapered (40 race) forks need a different lower.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. EC34\/30, lower position\u003c\/strong\u003e — single lower cup; pair it with an EC34 upper.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12.25mm lower stack\u003c\/strong\u003e affects fork axle-to-crown fit and front-end height.\u003c\/li\u003e\n\u003cli\u003eUltraviolet Purple, Raw Silver or Orange.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBearing.\u003c\/strong\u003e Enduro builds this EC34 lower bearing with maximum ball size and high-pressure waterproof grease.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCorrosion resistance.\u003c\/strong\u003e Stainless steel makes this the EC34\/30 lower to pick for wet or sweaty use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSealing.\u003c\/strong\u003e Twin micro-groove seals and a molded seal on the 30 crown race protect the bottom bearing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStack and weight.\u003c\/strong\u003e Lower stack is 12.25mm and weight is 37g, useful when planning a build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e Wolf Tooth backs this cup for life.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Stainless bearing, listed stack and weight, lifetime warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Straight-steerer fit only; lower half only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e A published 12.25mm lower stack and 37g weight, so front-end height can be planned before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eVictory Bicycle Studio likes this EC34\/30 lower for steel and classic builds where an Orange or Purple accent fits the frame.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine:\u003c\/strong\u003e Premium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower (single cup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS.H.I.S. code:\u003c\/strong\u003e EC34\/30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown race:\u003c\/strong\u003e 30, with dual-lip seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower stack height:\u003c\/strong\u003e 12.25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e Enduro, stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 37g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Lifetime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Ultraviolet Purple, Raw Silver, Orange\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Ultraviolet Purple","offer_id":67800285479219,"sku":"EC34L-30-PRU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Raw Silver","offer_id":67800285511987,"sku":"EC34L-30-RSIL","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":67800285544755,"sku":"EC34L-30-ORG","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/21eb7e9f2201266488e8b0048fb056ee1ca7068d.jpg?v=1782425347"}],"url":"https:\/\/victorybicyclestudio.com\/collections\/wolf-tooth.oembed?page=2","provider":"Victory Bicycle Studio","version":"1.0","type":"link"}