【Material】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.
Publisher: PROWHEEL. 【Material】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. L is installed on the left side, R is installed on the right side.