RISK 2 in 1 Headset Withstand 29.9 39.7mm MTB Bike Crown Race Headset Base Spacer C D for Bicycle Sight and Taper Fork

FEATURES:This bike headset base is made of qualified aluminum alloy, solid, firm and ble to use, ensures a long service life.Suitable for 42-52 All Hide/Large-diameter Outer Frame Headset/44-55/56mm Headset.C base or D base for choosing to meet your different needs.C Base for 1.5inch Taper Fork. D Base for Sight/Taper ForkGreat acceory for mountain bike and road bike.Specifications:Condition: 100% and High QualityMaterial: Aluminum AlloyColor: BlackOuter Diameter: C/D: Approx. 51mm / 2inchInner Diameter: C: 39.7mm / 1.5inch D: 29.9mm / 1.1inchOptions: C Base, D Base (optional)C Base for 1.5inch Taper ForkD Base for Sight/Taper ForkBearing Angle: 45°Type: OpenApplicable: for 42-52 All Hide/Large-diameter Outer Frame Headset/44-55/56mm HeadsetWeight: Approx. 7-13gPacking List:1 x Bike Headset Base

RISK 2 in 1 withstand, sight and Conical fork universal

Strict selection of AL alloyOpening design