Universal Bike Crank Arms,89MM/102MM/114MM/127MM/140MM/152MM/160MM/165MM/170MM/175MM Available in Diamond Hole Bike Crank Arm for City Bike,Folding Bike,MTB,Ebike,Road Bike,Exercise Bike

• 【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.
• 【Size】This Crank Arm Length is available in 10 sizes(89MM/102MM/114MM/127MM/140MM/152MM/160MM/165MM/170MM/175MM/）Shorter cranks for extreme sports enthusiasts,Before purchasing this product, please make sure that the size of this product is consistent with the size you need.
• 【Spindle Interface Type】Diamond Hole. Please check if the orientation of your crank is Diamond Hole. Keep both left and right things having the same hole.Diamond Hole Diameter is 12cm.
• 【Installation Tips】This crank arm is divided into left and right side, please pay attention to the left and right side when installing, the crank arm is written L and R, L is installed on the left side, R is installed on the right side. L is installed on the left side,