{"product_id":"wolf-tooth-performance-zs-upper-headset","title":"Wolf Tooth Performance Headset - ZS44\/28.6 Upper 6mm Stack","description":"\u003cp\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\/p\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\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"compression plug for forks with carbon steerer tubes\" href=\"https:\/\/b2b.wolftoothcomponents.com\/collections\/headset-related\/products\/wolf-tooth-precision-headset-small-parts?variant=7193253511203\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Red","offer_id":50070318842141,"sku":"HD1795","price":54.95,"currency_code":"USD","in_stock":false},{"title":"Orange","offer_id":50070318874909,"sku":"HD1794","price":54.95,"currency_code":"USD","in_stock":false},{"title":"Raw Silver","offer_id":50070318907677,"sku":"HD0327","price":54.95,"currency_code":"USD","in_stock":false},{"title":"Ultraviolet Purple","offer_id":50070318940445,"sku":"HD0373","price":54.95,"currency_code":"USD","in_stock":false},{"title":"Blue","offer_id":50070318973213,"sku":"HD1793","price":54.95,"currency_code":"USD","in_stock":false},{"title":"Black","offer_id":50070319005981,"sku":"HD1792","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":52902071107869,"sku":null,"price":54.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0833\/0369\/4621\/files\/HD1795.jpg?v=1750912633","url":"https:\/\/goodweatherinseattle.com\/products\/wolf-tooth-performance-zs-upper-headset","provider":"Good Weather ","version":"1.0","type":"link"}