{"product_id":"wolf-tooth-geoshift-performance-angle-headset-1-deg-short-zs44-ec49-black","title":"Wolf Tooth GeoShift Performance 1 Deg Short ZS44\/EC49 Angle Headset - Black","description":"\u003cp\u003eThe Wolf Tooth GeoShift Performance Angle Headset changes head tube angle by \u003cstrong\u003e1 degree\u003c\/strong\u003e, in the short-version \u003cstrong\u003eZS44 upper \/ EC49 lower\u003c\/strong\u003e configuration. It is a complete kit for a 28.6mm threadless steerer with a 40mm crown race.\u003c\/p\u003e\u003cp\u003eIts bearings sit at an angle to line up with the steerer, which avoids the creaking common to spherical-design angle headsets. Install it in one orientation to \u003cstrong\u003eslacken the head angle\u003c\/strong\u003e for descending stability, or flip it to steepen it for quicker steering.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRiders with a ZS44 upper and EC49 lower head tube\u003c\/li\u003e\n\u003cli\u003eRiders after a modest 1-degree geometry change in either direction\u003c\/li\u003e\n\u003cli\u003eCarbon steerer owners, with a compression plug purchased separately\u003c\/li\u003e\n\u003cli\u003eRiders wanting a larger change should look at the 2-degree GeoShift\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 and EC49 lower only, 28.6mm steerer, 40mm crown race.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStack:\u003c\/strong\u003e adds 19.1mm total (6mm upper, 12.6mm lower); confirm steerer length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteerer material:\u003c\/strong\u003e the supplied star nut is for steel or aluminum steerers only.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eAngled bearings.\u003c\/strong\u003e Bearings aligned with the steerer avoid the creaks typical of spherical angle headsets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReversible.\u003c\/strong\u003e One orientation slackens the head angle by 1 degree; the opposite steepens it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEnduro bearings.\u003c\/strong\u003e Black oxide coated chromium steel cartridge bearings top and bottom.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eComplete kit.\u003c\/strong\u003e Upper and lower cups, bearings, crown race, star nut, shims, and a stem cap with integrated 5mm spacer and bolt. Machined in the USA from 6061 aluminum.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBiggest strengths: creak-resistant angled bearings and a reversible 1-degree adjustment.\u003c\/li\u003e\n\u003cli\u003eTradeoffs: carbon steerers need a separate compression plug, and the change is limited to 1 degree.\u003c\/li\u003e\n\u003cli\u003eWhat makes it different: the short ZS44\/EC49 version keeps total stack to 19.1mm.\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 trying the 1-degree GeoShift before a frame change when a bike's handling feels just slightly off.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAngle change: 1 degree (slacker or steeper)\u003c\/li\u003e\n\u003cli\u003eUpper: ZS44\u003c\/li\u003e\n\u003cli\u003eLower: EC49\u003c\/li\u003e\n\u003cli\u003eSteerer\/stem clamp: 28.6mm threadless\u003c\/li\u003e\n\u003cli\u003eCrown race: 40mm\u003c\/li\u003e\n\u003cli\u003eStack height: 19.1mm total (6mm upper, 12.6mm lower)\u003c\/li\u003e\n\u003cli\u003eBearings: Enduro black oxide chromium steel cartridge\u003c\/li\u003e\n\u003cli\u003eMaterial: 6061 aluminum\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003ePart number: ZSEC49L-G1-S-BLK-B\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Default Title","offer_id":53537733116211,"sku":"ZSEC49L-G1-S-BLK-B","price":114.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/95661eba7007f99d6ca0bdffff17e2c861d56027.jpg?v=1782252816","url":"https:\/\/victorybicyclestudio.com\/products\/wolf-tooth-geoshift-performance-angle-headset-1-deg-short-zs44-ec49-black","provider":"Victory Bicycle Studio","version":"1.0","type":"link"}