Bicycle Headset Crown Race Adapter 45 Degree For 28.6mm Straight /39.8mm Tapered Front Fork Choice Split Bottom Bearing Part

Features- As bicycle headset crown race adapter for straight or tapered tube; - Made of aluminum alloy material, anodized coat resists corrosion; - CNC machining, ensures consistent high quality lightweight durable; - Optional Fits 39.8mm tapered or 28.6mm straight front fork tubes; - Split opening design improves overall installation convenience.Specifications- Item: Bicycle Headset Crown Race - Material: Aluminum Alloy - Production: CNC-machined anodized - Use: For front fork tube - C Crown Race; standard 1.5" (39.8mm) tapered steerer fork; 45°, thickness about 4.5mm - D Crown Race: Fits standard 1.125" (28.6mm) straight steerer fork; for C Crown Race function; 45°, thickness about 4.5mm - Fits:42-52mm internal /large diameter external headset; 44-55/56mm headset - Net weight: Approx. 11 gramsPackage Include:As Per Order Option