{"product_id":"hdst1850","title":"Wolf Tooth Premium ZS Headset - Zero Stack Lower ZS56 - 40 in Red | 6061 Aluminum, Sealed Bearings, Enduro-Grade Durability \u0026 Lightweight Performance","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eDiscover the Wolf Tooth Premium ZS Headset - Zero Stack Lower ZS56\/40 in striking Red, engineered for cyclists demanding exceptional performance, durability, and style. Crafted in our Minnesota shop from aircraft-grade 6061 aluminum, this headset offers a perfect blend of lightweight strength and corrosion resistance, making it ideal for aggressive trail riding, cross-country, and enduro applications.\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\u003eManufactured from high-quality 6061 aluminum, the Wolf Tooth ZS headset ensures long-lasting durability while maintaining a lightweight profile. The precision-machined components guarantee a perfect fit and smooth operation. The headset includes premium Enduro stainless steel sealed bearings with a lifetime warranty, providing superior protection against dirt, water, and grime.\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 with three levels of industry-leading sealing, the Wolf Tooth ZS headset protects bearings from the elements, extending their lifespan and maintaining optimal performance. The custom dual-lip seals on the crown race and an upper O-ring seal ensure water intrusion is minimized, even in the harshest conditions. The headset's beveled angles (36 x 45 ) optimize bearing contact, ensuring smooth steering and stability.\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\u003eThis Zero Stack (ZS) lower headset is compatible with frames that feature internal bearing cups pressed into the head tube (44mm upper and 56mm lower inner diameters). The kit includes precision-machined aluminum top and bottom assemblies, with options for different stack heights (6mm, 15mm, 25mm) to fine-tune your cockpit fit. The upper assembly features a lightweight stem cap with integrated spacer, aluminum bolt, and included star nut - suitable for steel or aluminum steerers. 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 eye-catching Red, the Wolf Tooth Premium ZS Headset combines style with high-performance engineering-perfect for riders who want to elevate both aesthetics and functionality. Whether upgrading your trail bike, XC rig, or enduro build, this headset delivers reliable steering precision and durability, making it an excellent choice for demanding mountain biking, trail riding, and technical descents.\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- Machined in the USA from aircraft-grade 6061 aluminum for superior quality\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Industry-leading triple sealing system to protect bearings from the elements\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Lifetime warranty on Enduro stainless steel sealed bearings\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Easy installation with included accessories like star nut, stem cap, and multiple stack height options\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Compatible with steel, aluminum, and (with separate parts) carbon steerers\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003eUpgrade your bike's steering performance with the Wolf Tooth Premium ZS Headset - engineered for riders who demand excellence in durability, performance, and style. Designed to last a lifetime, it's the perfect choice for serious mountain bikers looking for reliability and sleek aesthetics.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003eWeight: 55-58 grams | Material: 6061 Aluminum | Made in the USA\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eDurable, precision-machined headset crafted from lightweight 6061 aircraft-grade aluminum for superior strength and longevity on rugged mountain trails and urban rides. \u003c\/li\u003e\n\u003cli\u003eDesigned with industry-leading triple sealing technology, including custom-molded lip seals and O-rings, to effectively prevent water, dirt, and debris intrusion, ensuring smooth performance in tough riding conditions. \u003c\/li\u003e\n\u003cli\u003eCompatible with ZS (Zero Stack) frame designs featuring 44mm upper and 56mm lower head tube diameters, with options for different stack heights, making it versatile for a wide range of bike builds. \u003c\/li\u003e\n\u003cli\u003eEquipped with premium Enduro stainless steel sealed bearings backed by a lifetime warranty, providing exceptional spin efficiency, reduced maintenance, and durability for intense riding adventures. \u003c\/li\u003e\n\u003cli\u003eAvailable in a dynamic red finish, these headsets combine functional engineering and stylish aesthetics, perfect for riders seeking reliable performance and a bold look on trail or commute.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Wolf Tooth","offers":[{"title":"Default Title","offer_id":43065896337475,"sku":"HDST1850","price":59.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/WT-ZS56-40-RED-01.jpg?v=1774416596","url":"https:\/\/365cycles.com\/products\/hdst1850","provider":"365 Cycles","version":"1.0","type":"link"}