3pcs M20 Crank Cover Screws Rustproof Corrosion Resistant Aluminum Alloy Bike Crank Cover Screws for Mountain Bike

Aluminium Alloy: Crank cover screws are made of 7075 aluminium alloy which is rust, wear and corrosion resistant and . Burr : The appearance is glossy and burr , with standard threads for a perfect fit, preventing the entry of such as water and dust. Applicable : M20 crank cover screws are suitable for M4000, M590, M596, M661, SLX, XT and other integrated chainrings. Item Type: M20 Crank Cover Screws Material: Aluminum Alloy