Prowheel One Pair Bike Crank Arm Available in Square Hole,152MM/160MM/165MM/170MM/175MM Alloy 6061Black Crank Arm for e-Bike Electric Bike e Bicycle

Features

• 【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.
• 【Size】This Crank Arm Length is available in 6 sizes(140MM/152MM/160MM/165MM/170MM/175MM）,Before purchasing this product, please make sure that the size of this product is consistent with the size you need,This Crank Arm can only be used on electric bicycles.
• 【Spindle Interface Type】Square taper. Please check if the orientation of your crank is Square. Keep both left and right things having the same hole.
• 【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, R is installed on the right side. If you install it wrong, it will not work.
• 【 Crank Arm Note】If you have replaced the crank once, then you need to replace the bottom bracket when you update the crank again, because the life of the general bottom bracket is only 2 times. If you encounter any problems in the process of use, please let us know, we will help you solve the problem, give you a satisfactory solution!