2pcs/pack Cycle Bike Bicycle Bottom Bracket Axle Allen Key Crank Arm Bolts Universal Screw Features: 1. The material is made of steel, the surface is plated and waterproof. 2. Suitable for square pedals and BB, M8 * 15. 3. With plastic seal, no separate crank cover is required.
Specifications: Material: steel Color: silver + black Size: 20mm*20mm*5mm/0.78*0.78*0.19'' Net weight: 28g Gross weight: 28g
Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item.Thanks for your understanding.