{"product_id":"wolf-tooth-premium-headset-zs44-28-6-upper-6mm-stack-raw-silver","title":"Wolf Tooth Premium ZS44\/28.6 6mm Stack Upper Headset - Raw Silver","description":"\u003cp\u003eThe Wolf Tooth Premium Headset upper is a \u003cstrong\u003eZS44\/28.6 upper assembly with 6mm of stack\u003c\/strong\u003e, machined from aircraft-grade aluminum and fitted with \u003cstrong\u003eEnduro stainless steel bearings\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe bearings use the largest possible ball size, are filled with high-pressure waterproof lubricant, and are protected by a pair of dual-lip seals in micro-grooves. Wolf Tooth recommends stainless for headsets exposed to wet conditions or sweat.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRiders replacing a ZS44 upper on bikes ridden in wet weather\u003c\/li\u003e\n\u003cli\u003eRiders whose headset sees heavy sweat\u003c\/li\u003e\n\u003cli\u003eRiders needing a lower cup should buy it separately\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\u003eStainless bearings.\u003c\/strong\u003e Enduro stainless steel bearings for corrosion resistance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSealing.\u003c\/strong\u003e Dual-lip seals, an O-ring at the steerer, and a custom-molded upper lip seal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTop cover kit.\u003c\/strong\u003e Ultralight stem cap with integrated spacer, aluminum bolt and star nut.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e Lifetime warranty from Wolf Tooth.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBiggest strengths: stainless bearings, layered seals and a lifetime warranty.\u003c\/li\u003e\n\u003cli\u003eTradeoffs: upper only; lower cup sold separately.\u003c\/li\u003e\n\u003cli\u003eWhat makes it different: Raw Silver ZS44 upper with Enduro stainless internals.\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 steer riders who ride in wet conditions or sweat heavily toward this stainless upper.\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: Enduro stainless steel\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: Raw Silver\u003c\/li\u003e\n\u003cli\u003eWarranty: Lifetime\u003c\/li\u003e\n\u003cli\u003ePart number: ZS44U-5MM-RSIL\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Default Title","offer_id":53538149925171,"sku":"ZS44U-5MM-RSIL","price":74.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/d48ea78cfa919d47eabb631246e4bd7b09245eae.jpg?v=1782257858","url":"https:\/\/victorybicyclestudio.com\/products\/wolf-tooth-premium-headset-zs44-28-6-upper-6mm-stack-raw-silver","provider":"Victory Bicycle Studio","version":"1.0","type":"link"}