{"product_id":"wolf-tooth-premium-zs-headsets-zero-stack-upper-co","title":"Wolf Tooth Performance ZS Headsets - Zero Stack Upper","description":"\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eThis is only the upper bearing cup, You also need the Lower cup for a complete headset\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum. They are designed to be lightweight, strong, and durable. Performance Headsets with Enduro black oxide bearings have a one-year warranty. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. These ZS headsets are for frames with internal bearing cups that are pressed into the frame. \u003c\/h3\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAny frame that uses ZS (Zero Stack) headsets with 44mm upper and 56mm lower head tube inner diameter.\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold separately.\u003c\/li\u003e\n\u003cli\u003eEnduro black oxide steel sealed bearings included on both the upper and lower. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"152\" height=\"151\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Bottom_blackoxide_Labels_b0061849-e7fc-479e-abe2-fd51cdb70f7e.jpg?v=1590086109\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight stem cap with integrated spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e6mm top cover = 6mm total stack.\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom-molded dual-lip seal on the crown race protects lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003eAll components precision machined in-house at Wolf Tooth from aircraft grade aluminum to ensure the highest level of quality.\u003c\/li\u003e\n\u003cli\u003eService and additional parts available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe Wolf Tooth crown race installation adapter will help avoid damage to crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision headset spacers\u003c\/li\u003e\n\u003cli\u003eWolf Tooth crown race installation adapter\u003c\/li\u003e\n\u003cli\u003ePremium ZS Headsets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003e55-58g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061 aluminum\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"ZS44\/28 6mm stack \/ Black","offer_id":58194295816456,"sku":"ZS44U-5MM-BLK-B","price":54.99,"currency_code":"EUR","in_stock":true},{"title":"ZS44\/28 6mm stack \/ Red","offer_id":58194295849224,"sku":"ZS44U-5MM-RED-B","price":54.99,"currency_code":"EUR","in_stock":true},{"title":"ZS44\/28 6mm stack \/ Blue","offer_id":58194295881992,"sku":"ZS44U-5MM-BLU-B","price":54.99,"currency_code":"EUR","in_stock":true},{"title":"ZS44\/28 6mm stack \/ Purple","offer_id":58194295914760,"sku":"ZS44U-5MM-PRP-B","price":54.99,"currency_code":"EUR","in_stock":true},{"title":"ZS44\/28 6mm stack \/ Orange","offer_id":58194295947528,"sku":"ZS44U-5MM-ORG-B","price":54.99,"currency_code":"EUR","in_stock":true},{"title":"ZS44\/28 6mm stack \/ Silver","offer_id":58194295980296,"sku":"ZS44U-5MM-RSIL-B","price":54.99,"currency_code":"EUR","in_stock":true},{"title":"ZS44\/28 6mm stack \/ Gold","offer_id":58194296013064,"sku":"ZS44U-5MM-GLD-B","price":54.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/8804\/7880\/files\/zero-stack-balhoofd_17788b1a-62ae-45f7-bd12-979884ce2f00.jpg?v=1783588937","url":"https:\/\/www.cpp-bikes.com\/products\/wolf-tooth-premium-zs-headsets-zero-stack-upper-co","provider":"CPP Bikes","version":"1.0","type":"link"}