Drfeify 1 Pair Bicycle Crank Arms, Single Speed Square Taper Crankset Left and Right Crank for Single and Two Piece Road Chainring

Hollow design: the bike crank arms are made of hollow structure, which maintains strength and stability, while keeping the weight light, does not increase the weight of the bike and facilitates maneuvering. Aluminum alloy material: the bicycle crank arm is made of strong aluminum alloy material, with solid structure, not easy to deform and durable. No overlapping design: the crank arm is 170mm long and there is no overlap between the crank arm and the chainring bolt, which prevents interference and improves the overall reliability and safety of the bike. Application: The crank arm is compatible with a wide range of bicycle models, whether upgrading the existing crank set or replacing worn parts, it is an ideal replacement for bicycle repair. Reduce friction and noise: The crank arm is precisely designed to ensure the best fixation of the chain, which can minimize friction and noise when pedaling, giving you a smoother and quieter riding experience.