{"product_id":"acros-headsets-hdst1681-bicycle-headsets","title":"Acros ZS49 - 28.6 Upper Headset Bearing - Angular Contact Ball Bearings for Precise Steering \u0026 Smooth Ride, Black, 8.5mm Stack Height","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your bicycle's steering performance with the Acros Headset Upper Bearing, ZS49\/28.6 - the ideal replacement component for precision handling and smooth operation. Crafted with high-quality materials and engineered for durability, this upper headset bearing is designed to enhance your bike's responsiveness and overall ride quality.\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\u003eDesigned with robust angular contact ball bearings, the Acros Upper Bearing ensures optimized load distribution and superior durability. The black anodized finish not only provides corrosion resistance but also adds a sleek, professional aesthetic to your bike's cockpit.\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\u003eEngineered for precise fit and seamless steering, this ZS49\/28.6 upper headset bearing offers excellent load-bearing capacity and minimal friction. Its angular contact technology provides enhanced stability, control, and responsiveness, making it an excellent upgrade for mountain bikes, road bikes, or gravel bikes demanding high-performance components.\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\u003eThe bearing features a compact stack height of 8.5mm, ensuring compatibility with your existing headset setup. Its S.H.I.S. stem clamp diameter of 28.6mm supports a wide range of handlebars and stems, offering versatile use across various bike frames and configurations.\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\u003eDesigned for riders who prioritize precision, durability, and smooth steering, this black-coated headset upgrade is ideal for mountain biking, racing, or everyday cycling where reliable handling is crucial. Its lightweight design (45g) minimizes added weight without compromising strength, making it perfect for performance-oriented cyclists.\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\u003eThe Acros Upper Bearing's angular contact ball bearing technology sets it apart, providing superior load capacity and longevity. Its precise engineering ensures a secure, backlash-free fit, allowing for confident handling in demanding conditions. Easy to install, this bearing is a must-have for bike shops and serious enthusiasts seeking reliable performance and enhanced steering precision.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003eOptimize your bike's steering with the Acros Headset Upper Bearing, ZS49\/28.6 - where engineering excellence meets sleek durability for a smoother, more controlled ride.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHigh-precision replacement upper headset bearing designed for ZS49\/28.6 steerer tubes, ensuring a secure and stable fit for your bike's cockpit. \u003c\/li\u003e\n\u003cli\u003eConstructed with high-quality angular contact ball bearings, this headset upgrade delivers smooth steering performance and enhanced durability under demanding riding conditions. \u003c\/li\u003e\n\u003cli\u003eMade from durable, corrosion-resistant materials with a sleek black finish, this bearing combines style with long-lasting performance in all weather environments. \u003c\/li\u003e\n\u003cli\u003eOptimized for quick installation and compatibility with a variety of road, mountain, and gravel bikes, supporting precise steering and reduced maintenance needs. \u003c\/li\u003e\n\u003cli\u003eInnovative engineering with an 8.5mm stack height provides optimal head tube fit, improving rider control, bike handling, and overall bike responsiveness.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Acros","offers":[{"title":"Default Title","offer_id":43075027894339,"sku":"HDST1681","price":67.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/AS1114.jpg?v=1774521189","url":"https:\/\/365cycles.com\/products\/acros-headsets-hdst1681-bicycle-headsets","provider":"365 Cycles","version":"1.0","type":"link"}