{"product_id":"acs-headsets-hdst1437-bicycle-headsets","title":"ACS Maindrive Headset IS42 - 25.4 - 26 Black - CNC Machined Alloy Sealed Bearings for Precise Steering, Compatibility with 1\" and 1-1 - 8\" Forks, Lightweight 93g","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your bicycle's steering performance with the ACS Maindrive Headset, IS42\/25.4 | IS42\/26 Black - a precision-engineered component designed for durability, smoothness, and versatility. Crafted with CNC machined alloy tops and sealed bearing mechanisms, this headset ensures reliable performance in all riding conditions.\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\u003eConstructed from high-quality CNC machined alloy, the ACS Maindrive Headset offers exceptional strength-to-weight ratio and corrosion resistance, making it perfect for both casual rides and aggressive cycling. The sealed mechanism with 45\/45 degree bearings provides excellent protection against dirt, water, and debris, extending the lifespan of your headset and maintaining optimal riding performance.\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\u003eFeaturing advanced bearing technology and precision engineering, the Maindrive Headset delivers ultra-smooth steering with minimal resistance. Its 45\/45 degree bearing orientation ensures stability and responsiveness during high-speed descents or technical maneuvers, making it ideal for mountain biking, road cycling, or gravel adventures.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponents \u0026amp; Compatibility:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eDesigned for versatile compatibility, this headset is available in three configurations: 1\" (25.4mm), 1-1\/8\" (28.6mm), and an IS42\/26 with a reducer for 1\" steerers. The standard IS42\/25.4 and IS42\/26 stem clamp diameters ensure easy installation on a broad range of bike frames. The sleek black finish adds a modern, professional look to your bike setup.\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\u003eWith its clean black aesthetic and robust construction, the ACS Maindrive Headset complements various bike styles - from mountain bikes to commuter cycles. Its precision components are optimized for riders seeking enhanced steering precision, durability, and a sleek appearance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eThe sealed bearing design with CNC alloy tops sets this headset apart from standard models, offering superior protection and longevity. Its lightweight design at only 93 grams makes it an excellent upgrade without adding unnecessary weight to your bike.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003eKey Specifications:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- CNC machined alloy construction with sealed bearing mechanism\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Compatible with 1\" (25.4mm), 1-1\/8\" (28.6mm), and reducer options\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Black finish for a sleek look\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Weight: 93 grams\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Available in IS42\/25.4 and IS42\/26 thread sizes\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003eUpgrade to the ACS Maindrive Headset, IS42\/25.4 | IS42\/26 Black for enhanced steering control, reliable durability, and a stylish finish that elevates your bike's performance. Perfect for serious cyclists and enthusiasts looking for precision engineering in every ride.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHigh-precision CNC-machined alloy construction offers exceptional durability, lightweight performance, and corrosion resistance for reliable riding in all conditions. \u003c\/li\u003e\n\u003cli\u003eSealed 45\/45 degree bearings provide smooth rotation, increased longevity, and reduced maintenance, ensuring optimal headset performance over time. \u003c\/li\u003e\n\u003cli\u003eAvailable in multiple sizing options (1\" 25.4mm, 1-1\/8\" 28.6mm, and reducer) for versatile compatibility with a variety of bike frames and steering systems. \u003c\/li\u003e\n\u003cli\u003eSleek black finish enhances your bike's aesthetic, combining style with functionality for a professional, race-ready look on any trail or road. \u003c\/li\u003e\n\u003cli\u003eDesigned with advanced engineering to reduce weight (only 93g), this headset improves handling, steering responsiveness, and overall bike control during aggressive riding or endurance rides.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"ACS","offers":[{"title":"Default Title","offer_id":42355113295939,"sku":"HDST1437","price":28.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/AM9341.jpg?v=1773491233","url":"https:\/\/365cycles.com\/products\/acs-headsets-hdst1437-bicycle-headsets","provider":"365 Cycles","version":"1.0","type":"link"}