The bicycle crank arms are made of high quality Forged Alloy 6061, this crank arm is sturdy and durable,High strength, high hardness, not easy to deform.
This bike crank arm Length is available 170MM, Before purchasing this product, please make sure that the size of this product is consistent with the size you need,This Crank Arm can only be used on electric bicycles.
Square taper. Please check if the orientation of your crank is Square. Keep both left and right things having the same hole.
