Description:

Lightweight Folding Bike Crankset: hollow BB Bottom Bracket Width: 68-73mm. BCD: 130mm. Crank Arm Length: 170mm. Teeth: 53T, 56T, 58T
Made of premium aluminium alloy forged material -high strength, solid but ultralight and reliable
170mm crank arm length without any overlap of crank arm and chainring bolt
Compatible with five-claw width of 68--73mm chain wheel M68 bottom bracket and M18 24mm spindle
Suitable for most single speed folding bikes

Specification:

Material: Aluminium Alloy, Steel

Package Includes:

1 Set Crankarm with Chainring Bolts
or
1 Set Crankarm with Bottom Bracket
or
1 Set Crankset(Crankarms, Chainring, BB) According your choice