{"product_id":"wolf-tooth-headset-upper-hdup0028","title":"Wolf Tooth Performance ZS44\/28.6 Zero Stack Headset - Aircraft-Grade Aluminum, Sealed Bearings","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your mountain bike's steering performance with the Wolf Tooth Performance ZS Headset - Zero Stack Upper ZS44\/28.6 6mm Stack in Striking Red. Crafted with precision in our Minnesota shop using aircraft-grade 6061 aluminum, this headset combines lightweight design with exceptional strength and durability, ensuring reliable performance ride after ride.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Construction:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eMade from premium 6061 aluminum, the Wolf Tooth ZS44\/28.6 headset is engineered to withstand tough trail conditions. Featuring high-grade chromium steel black oxide bearings, these seals provide superior corrosion resistance, high load capacity, and long-lasting smoothness. The custom-molded seals, including dual-lip and lip seals at key points, offer industry-leading protection against water, mud, and debris, significantly prolonging the headset's lifespan.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eDesigned for optimal performance, the headset's precise engineering includes a 36 x 45 bevel angle for seamless installation and smooth steering. The ultralight stem cap with an integrated spacer simplifies handling and adjustment, requiring just 2-3 Nm torque for secure fitment with light grease on threads. The o-ring seal prevents water intrusion around the steerer tube, maintaining bearing integrity in challenging conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponents \u0026amp; Technology:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eAll components-headset cups, bearings, spacers, and star nuts-are machined in-house for unmatched quality control. The black oxide bearings ensure high load capacity and reliable performance under demanding off-road use. The included star nut is compatible with steel or aluminum steerer tubes; for carbon steerers, a separate compression plug is recommended.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eStyle \u0026amp; Use Case:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eAvailable in a bold red finish, the Wolf Tooth ZS44\/28.6 headset adds a splash of color to your bike's cockpit while offering a sleek, minimalist aesthetic. Ideal for frames with internal bearing cups pressed into the head tube (ZS - Zero Stack), this headset is perfect for trail, enduro, and all-mountain riders seeking a combination of lightweight performance and durability. Its versatile design makes it compatible with a wide range of current and vintage mountain bikes.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Industry-leading sealing systems with custom-molded upper lip seal and dual-lip crown race seal for maximum protection\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Aircraft-grade aluminum components for strength and weight savings\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Enduro black oxide bearings for long-lasting performance and corrosion resistance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Easy installation with included star nut and ultralight stem cap with integrated spacer\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003eCompatibility \u0026amp; Specs:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Fits frames with ZS (Zero Stack) head tubes, 44mm upper, and 56mm lower inner diameters\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Stack height: 6mm\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003e- Upper: ZS44, 28.6mm diameter\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003e- Bearings: Cartridges with black oxide steel seals\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-20\"\u003e\u003cp\u003e- Weight: 55-58 grams\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-21\"\u003e\u003cp\u003e- Made in the USA, backed by a one-year warranty\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-22\"\u003e\u003cp\u003eOptimize your bike's steering precision and durability with the Wolf Tooth Performance ZS Headset - the perfect upgrade for serious riders demanding high performance, long-lasting reliability, and a custom look.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eLightweight and durable aircraft-grade 6061 aluminum construction ensures long-lasting performance and corrosion resistance for demanding mountain biking and trail riding conditions.\u003c\/li\u003e\n\u003cli\u003eEquipped with high-capacity Enduro black oxide bearings, these ZS headsets offer enhanced load-bearing capabilities and superior resistance to wear and corrosion, backed by a one-year warranty.\u003c\/li\u003e\n\u003cli\u003eAdvanced sealing technology, including custom-molded upper lip seals and triple-layer industry-leading water protection, prolongs bearing life by preventing dirt and moisture intrusion in harsh riding environments.\u003c\/li\u003e\n\u003cli\u003eDesigned for zero stack frames with 44mm upper and 56mm lower head tube diameters, these headsets feature a 6mm stack height for minimal weight and sleek aesthetics, perfect for aggressive enduro and all-mountain riding.\u003c\/li\u003e\n\u003cli\u003eIncludes a precision-machined ultralight stem cap with integrated spacer, aluminum bolt, and star nut-delivering a streamlined profile, easy installation, and reliable performance on both steel and aluminum steerer forks (note: compatible with steel or aluminum steerer tubes only).\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Wolf Tooth","offers":[{"title":"Default Title","offer_id":42206116970563,"sku":"HDUP0028","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/WT-ZS44U-5MM-RED-01_7836da55-d70a-45b4-b546-dccdcbd20550.jpg?v=1773538268","url":"https:\/\/tecopecosafe.com\/products\/wolf-tooth-headset-upper-hdup0028","provider":"365 Cycles","version":"1.0","type":"link"}