Alps2Ocean Bike Crank Arms,89MM/102MM/114MM/127MM/140MM/152MM/160MM/165MM/170…
L is installed on the left side, R is installed on the right side. 【Material】The Bicycle crank arms are made of Forged Alloy 6061, this crank arm is sturdy and durable,High strength, high hardness, not easy to deform.