Size:Approximately 21 x 2 x 1 cm/8.3 x 0.8 x 0.4 inches (L x W x H).
Made with high quality Steel the crank arm is sturdy and robust.
The central distance between the 2 holes is of 170 mm.
Spindle interface type: Horizontal Square ConeMake sure the direction of your right crank arm is square or diamond.Use the same type of hole for both right and left arms.
Suitable for road bike, mountain bike, folding bike, fixed, etc