Please ensure that interface of your right crank arm is either square or diamond-shaped. It is important to keep both left and right arms with the same. For some GYM bikes, this product may not be compatible, so please confirm the length and connection port before purchasing
Bicycle crank arm: If you have previously the crank, it is necessary to replace the bottom bracket when updating the crank again. This is because the general lifespan of a bottom bracket is only two times
Crank center hole spacing 170 mm, whole arm length 200mm
Available in 2 Spindle Interface ModeDiamond Interface and Round Interface
bike's chainring features a left crank made of quality alloy
Description
Features
- Material: Steel iron.
- Size: Approx. 20 * 3 * 2 cm/ 8 * 1.2 * 0.8 inch (L*W*H).
- Lightweight for portable carry.
- Crank center hole spacing 170 mm, whole arm length 200mm.
- The fixed tooth plate is a prismatic hole.
- Distance to foot end 14 mm thread.