【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 6 sizes(127MM/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 Purchase Note】Alps2Ocean A pair Square Hole crank arm only used for ebike,Mid Mounted Motor,Torque,exercise bike,so please note the square hole and Your bike model when purchasing.