1 Pair Bike Axle Bolt Screw Capless Bike Key Crank Arm Bottom For Cycling UK ZY
Features: 1. Material made from stell, surface with electrosilvering, waterproof. 2. Suitable for square crankset & BB, specification M8*15. 3. Bicycle universal, with good quality. 4. With plastic seal, no separate crank cap needed.