The bicycle crank arm is made of solid steel, solid construction, high strength, as one of the essential tools for bicycle use, if you own a bicycle at home, then you need to equip yourself with a good quality crank arm that can bring you convenience when your bike needs repair.

Please note:

--This product is intended for repairing the stem on the left side of the bike, it can only be used on the left side of the bike and the specifications must be consistent with the specifications of the cranks on the right side of the disc, wrong specifications will lead to inconsistent pedal height on both sides.

--The size of the square hole in the center of the crank is uniform, as is the pedal air thread, which is common on the market.

1、Material: steel

2, Size: 170mm wheelbase (front round hole gauge 1.46cm, rear diamond hole gauge 1.86cm)

3、Quantity: 2pcs/set

4、Color：Black

5、Weight: approx. 330~400g

Warm advice: Due to size specifications for manual measurement, so please allow for slight error.