{"product_id":"full-speed-ahead-acb-mr054s-headset-bearing-bb4616","title":"FSA Micro ACB Gray Seal Headset Bearing 36x45mm | Stainless Steel, 1-1 - 8\" Zero-Stack for Precision Bike Performance","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eOptimize Your Bicycle Headset Performance with the FSA Micro ACB Gray Seal 36x45 Stainless Bearing - Perfect for Zero-Stack Headsets\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eEnhance the smoothness and durability of your bike's steering system with the FSA Micro ACB Gray Seal 36x45 Stainless Headset Bearing. Designed with precision engineering and built for demanding cycling conditions, this high-quality cartridge bearing ensures optimal performance, longevity, and reliable operation for your 1-1\/8\" head tube applications.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eMaterials \u0026amp; Construction\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eConstructed from high-grade stainless steel, the FSA Micro ACB bearing offers superior corrosion resistance and durability, making it ideal for all weather and terrain conditions. The gray seal feature provides a protective barrier against dirt, debris, and moisture, ensuring consistent performance and reduced maintenance over time.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eEngineered with a 36x45 degree cartridge bearing angle, this 30.2mm inner diameter bearing delivers precise steering response and smooth rotation. Its advanced design minimizes friction and wear, resulting in enhanced bike handling and an extended bearing lifespan, even during aggressive rides or long-distance touring.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eComponents \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eThe FSA ACB (Angular Contact Bearing) model MR054S incorporates innovative sealing technology and high-precision manufacturing standards, guaranteeing a tight fit and reliable load distribution. The 41mm outer diameter and 6.5mm thickness are optimized for seamless integration into zero-stack headset systems, ensuring a secure and maintenance-friendly setup.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eDesigned for versatile use, the FSA Micro ACB Gray Seal bearing seamlessly fits zero-stack headsets in mountain bikes, road bikes, cyclocross, and commuter bikes. Its sleek gray finish complements modern cycling aesthetics while providing a technical edge for competitive and recreational riders alike.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eKey Features \u0026amp; Benefits\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Fits Zero-Stack Headsets for easy installation and compatibility\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Made from corrosion-resistant stainless steel for durability\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Gray seal design protects against dirt, moisture, and debris\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Precision-engineered 36x45 bearing angle for smooth steering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Ideal for high-performance cycling applications across all terrains\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Sold individually to suit your repair or upgrade needs\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003eUpgrade your bike's steering performance with the reliable, high-quality FSA Micro ACB Gray Seal 36x45 Stainless Headset Bearing - the perfect choice for cyclists seeking superior engineering and durability in every ride.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003ePremium FSA Micro ACB Gray Seal 36x45 Stainless Steel Headset Bearing for 1-1\/8\" Zero-Stack Headsets ensures precise steering and enhanced durability with high-quality stainless steel construction. \u003c\/li\u003e\n\u003cli\u003eDesigned with advanced cartridge bearing technology, these bearings deliver smooth, reliable performance and minimize maintenance on avid cycling adventures. \u003c\/li\u003e\n\u003cli\u003eManufactured with a 36x45 degree bearing angle and a 41mm O.D., these bearings are engineered to fit seamlessly into modern zero-stack headsets, providing optimal load distribution and extended lifespan. \u003c\/li\u003e\n\u003cli\u003eIdeal for mountain, road, and gravel bikes, this versatile bearing is perfect for riders seeking high-performance, corrosion-resistant components that withstand tough conditions and enhance ride quality. \u003c\/li\u003e\n\u003cli\u003eSold individually, the FSA Micro ACB Gray Seal bearing features innovative sealing technology to keep out dirt and water, ensuring consistent performance and a longer service life in all cycling environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Full Speed Ahead","offers":[{"title":"Default Title","offer_id":42206787797059,"sku":"BB4616","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/BB4616.jpg?v=1779312238","url":"https:\/\/365cycles.com\/products\/full-speed-ahead-acb-mr054s-headset-bearing-bb4616","provider":"365 Cycles","version":"1.0","type":"link"}