{"product_id":"full-speed-ahead-cartridge-bearing-ctbr0311","title":"Full Speed Ahead NO. 55R 1.5\" ACR LS Headset | Integrated Cable Routing, Angular Contact Bearings, Lightweight 92g, Tapered Fork Compatibility","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your bike's performance with the Full Speed Ahead NO. 55R 1.5\" ACR LS Headset - the perfect combination of precision engineering, innovative design, and durability for serious cyclists. Engineered with high-quality materials and advanced components, this headset ensures smooth steering, optimal stability, and long-lasting reliability for aggressive rides and technical trail adventures.\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 premium aluminum with an anodized finish, the Full Speed Ahead NO. 55R 1.5\" ACR LS headsets combine lightweight strength with corrosion resistance. The angular contact bearing system, designed for precision load distribution, provides exceptional durability and smooth operation in demanding riding conditions.\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 seamless cable routing and vibration-free riding, this headset features fully integrated cable housing channels, eliminating rotation limits for clean, tidy wiring solutions. The 10.4mm stack height (plus an additional 0.5mm) offers precise fitment for compatible frames, ensuring your bike maintains exact handling characteristics and steering responsiveness.\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\u003eEquipped with ACR (Adjustable Cable Routing) top cover technology, the NO. 55R provides easy cable management and adjustments, perfect for mountain, gravel, or cyclocross bikes. The angular contact bearings deliver exceptional stiffness and smooth operation, even under high steering stresses. Designed specifically for 1-1\/8\" to 1.5\" tapered head tubes, it ensures optimal compatibility and performance across a range of modern frames.\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 sleek, streamlined look, the Full Speed Ahead NO. 55R headsets are perfect for riders seeking reliable performance upgrade for aggressive riding styles - from technical mountain biking to fast-paced gravel adventures. The lightweight design (only 92 grams) complements your bike's aesthetics without adding unnecessary weight, making it an ideal choice for competitive and recreational cyclists alike.\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 No Rotation Limit ACR top cover and fully integrated cable routing system set this headset apart, reducing installation complexity and enhancing bike aesthetics. Its specific frame requirements ensure a precise fit for 36\/45 ACB head tubes and 55.8mm OD head tubes, providing reliable, high-performance steering in a variety of setups.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003eOptimize your bike's handling and riding experience with the Full Speed Ahead NO. 55R 1.5\" ACR LS Headset - engineered for durability, precision, and sleek performance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eExperience seamless and fully integrated cable routing with the Full Speed Ahead NO. 55R 1.5\" ACR LS, designed for a clean and clutter-free cockpit. \u003c\/li\u003e\n\u003cli\u003eConstructed with high-quality materials and precision engineering, this headset features durable angular contact bearings for smooth, reliable performance under demanding riding conditions. \u003c\/li\u003e\n\u003cli\u003eCompatible with specific frame sizes including 1.5\" head tubes and tapered forks (1-1\/8\" to 1.5\"), making it a versatile choice for modern road and mountain bikes. \u003c\/li\u003e\n\u003cli\u003eDesigned with an innovative ACR (Angular Contact Reduction) top cover, the NO. 55R ensures easy installation, adjustment, and maintenance while maintaining a sleek, minimalist aesthetic. \u003c\/li\u003e\n\u003cli\u003eWeighing only 92 grams with a stack height of approximately 10.9mm, this lightweight headset enhances bike handling and responsiveness without sacrificing durability or strength.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Full Speed Ahead","offers":[{"title":"Default Title","offer_id":42870392946755,"sku":"CTBR0311","price":82.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/media_bbef2134-e5c2-430b-b6eb-8f603a676641.jpg?v=1773574835","url":"https:\/\/365cycles.com\/products\/full-speed-ahead-cartridge-bearing-ctbr0311","provider":"365 Cycles","version":"1.0","type":"link"}