RIDERACE 5 PCS Double/Single Bicycle Chainring Bolts CNC Aluminum Alloy 7075 M8 6.5mm 8.5mm Road MTB Bike Crankset Bolt&Nut Set

Type : Bicycle Screws Material : aluminium alloy Brand Name : riderace Origin : Mainland China Type 1 : 5 PCS Double/Single Bicycle Chainring Bolts Type 2 : CNC Aluminum Alloy 7075 Type 3 : M8 6.5mm 8.5mm Type 4 : Bike Crankset Bolt&Nut Set

The main function of bicycle crank assembly bolts and nuts is to connect the crank and tooth plate, ensuring that they can be securely installed on the central axis. The crankshaft bolts and nuts are connected by threads to ensure that the crankshaft does not loosen during rotation, thereby ensuring safe and comfortable riding