2Pcs Ztto Bicycle Aluminum Alloy Crank Cover Mountain Bike Crank Screws, M18 Black, M18 Red, M18 Blue, M19 Black, M19 Red, M19 Blue, M20 Black, M20 Red, M20 Blue
1. Material: aluminum alloy2. Use: used to fix the crank and crank of the chain wheel3. After cutti…