{"product_id":"wolf-tooth-performance-headset-zs44-28-6-upper-6mm-stack-blue","title":"Wolf Tooth Performance ZS44\/28.6 6mm Stack Upper Headset - Blue","description":"\u003cp\u003eThe Wolf Tooth Performance Headset upper is a \u003cstrong\u003eZS44\/28.6 upper assembly with 6mm of stack\u003c\/strong\u003e, machined from aircraft-grade aluminum and finished in Blue. It pairs black oxide cartridge bearings with a full top cover kit.\u003c\/p\u003e\u003cp\u003eBlack oxide bearings are \u003cstrong\u003echromium steel\u003c\/strong\u003e for load capacity, durability and corrosion resistance, and an O-ring plus a custom-molded upper lip seal keep water away from the bearing.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRiders replacing a worn ZS44 upper\u003c\/li\u003e\n\u003cli\u003eBuilders adding a color accent to the cockpit\u003c\/li\u003e\n\u003cli\u003eRiders who ride wet or sweat heavily may prefer a stainless bearing upgrade\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\u003eFitment:\u003c\/strong\u003e S.H.I.S. ZS44 upper with a 28.6mm steerer; this is the upper only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStack:\u003c\/strong\u003e 6mm upper stack height.\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 cartridge bearing for load capacity and durability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSealing.\u003c\/strong\u003e An O-ring seal blocks water around the steerer, and a custom-molded upper lip seal adds protection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTop cover kit.\u003c\/strong\u003e Ultralight stem cap with integrated spacer, aluminum bolt and star nut included.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBiggest strengths: O-ring and lip-sealed upper with durable chromium steel bearing.\u003c\/li\u003e\n\u003cli\u003eTradeoffs: black oxide steel rather than stainless; lower cup sold separately.\u003c\/li\u003e\n\u003cli\u003eWhat makes it different: a Blue ZS44 upper with 6mm stack and a full cap, bolt and star nut kit.\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 fit the Performance upper when a rider needs a sealed ZS44 replacement with a color accent at a sensible price.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUpper: ZS44\/28.6\u003c\/li\u003e\n\u003cli\u003eStack height: 6mm\u003c\/li\u003e\n\u003cli\u003eBearing: Black oxide chromium steel cartridge\u003c\/li\u003e\n\u003cli\u003eMaterial: Aircraft-grade aluminum\u003c\/li\u003e\n\u003cli\u003eIncludes: Stem cap with integrated spacer, aluminum bolt, star nut\u003c\/li\u003e\n\u003cli\u003eColor: Blue\u003c\/li\u003e\n\u003cli\u003ePart number: ZS44U-5MM-BLU-B\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Default Title","offer_id":53538215690547,"sku":"ZS44U-5MM-BLU-B","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/1b1f4d9e287cd4e1e5bb8a81caba2ee1b90542b2.jpg?v=1782258544","url":"https:\/\/victorybicyclestudio.com\/products\/wolf-tooth-performance-headset-zs44-28-6-upper-6mm-stack-blue","provider":"Victory Bicycle Studio","version":"1.0","type":"link"}