1 Pair Electric Bike Crank Arm,170mm Crank Arm for Exercise,Folding,Hybrid Bicycle,Mountain,Road Bike

About this item Material The Bicycle crank arms are made of high quality aluminum alloy, this crank arm is sturdy and durable,High strength, high hardness, not easy to deform. Practical features Crank arms help ensure ultimate chain retention, extend life and reduce friction and noise. Easy to use Bicycle cranks arms have L and R distinctions, which are easy to install and distinguish, very convenient. Good compatibility Bicycle cranks are suitable for common spinning bikes with mid-mounted motors or other similar vehicles.