{"product_id":"fsa-no-55-acs-integrated-tapered-headset","title":"FSA No.55 ACS Integrated Tapered Headset - 1.1\/8 - 1.5\" - Black","description":"\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFSA No.55 ACS Integrated Tapered Headset\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eThe FSA NO.55 ACR HBS 180 is a premium integrated headset designed for modern road, gravel and mountain bike frames featuring fully internal cable routing. Engineered for seamless cockpit integration, it works with FSA's ACR (Aerodynamic Cable Routing) system to route cables and hoses cleanly through the headset and into the frame for a sleek, aerodynamic finish.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eACR - Aerodynamic Cable Routing:\u003c\/strong\u003e FSA's ACR system routes brake hoses and gear cables internally through the cockpit and frame, creating a cleaner look and improved aerodynamics.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eFully integrated cable routing compatible with FSA ACR systems\u003c\/li\u003e\n\u003cli\u003eAllows unrestricted handlebar rotation with no steering stop limitation\u003c\/li\u003e\n\u003cli\u003eIncludes ACR top cover for clean cable integration\u003c\/li\u003e\n\u003cli\u003eAngular Contact Bearings (ACB) for smooth steering performance and durability\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for compatible ACR ready frames\u003c\/li\u003e\n\u003cli\u003eSuitable for tapered fork steerers\u003c\/li\u003e\n\u003cli\u003eModel: FSA NO.55 ACR HBS 180\u003c\/li\u003e\n\u003cli\u003eHeadset Type: Integrated\u003c\/li\u003e\n\u003cli\u003eCable Routing: ACR (Aerodynamic Cable Routing)\u003c\/li\u003e\n\u003cli\u003eBearing Type: Angular Contact Bearings (ACB)\u003c\/li\u003e\n\u003cli\u003eBearing Angle: 36° × 45°\u003c\/li\u003e\n\u003cli\u003eCompatible Head Tube: 55.8mm OD\u003c\/li\u003e\n\u003cli\u003eHead Tube Size: 1.5\"\u003c\/li\u003e\n\u003cli\u003eStack Height: 10.4mm + 0.5mm = 10.9mm\u003c\/li\u003e\n\u003cli\u003eTop Cover: ACR Top Cover\u003c\/li\u003e\n\u003cli\u003eWeight: 92g\u003c\/li\u003e\n\u003cli\u003eFeature: No rotation limit\u003c\/li\u003e\n\u003cli\u003eFrame Requirement: ACR compatible frame required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"FSA","offers":[{"title":"Default Title","offer_id":58234077413763,"sku":"HD353 \/ RACK 12 B4","price":34.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/0196\/4698\/files\/57_4da67395-09f9-41be-8a40-614273109a1e.jpg?v=1781273410","url":"https:\/\/sportandleisure.com\/products\/fsa-no-55-acs-integrated-tapered-headset","provider":"Sport \u0026 Leisure","version":"1.0","type":"link"}