The bicycle crank dust cap is used to fix the sprocket crankset and crank, which is very practical，providing super support and protection for your bicycle. Made of aluminum alloy, anodized, CNC precise positioning, strong and reliable, not easy to rust, and has a long service life. The edges are chamfered and polished, which does not hurt your hands and has no burrs. The black appearance is restrained and elegant. The bicycle crank crank arm mounting bolts are convenient and easy to use, making it easy to install whether it's a mountain bike or a road bike. Our packing Including 1x Crank Arm Bolt,1x Self-Extracting M18/M30 DUB,1x Gasket. Diameter 18mm bolt/30mm cap Material Aluminium Alloy Colour Black Part Type Crank Arm Bolt Kit T.
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