【 Material】: Constructed with premium aluminum alloy, the crank arm is and strong, has fine polishing, smooth edges, ensures high strength for long lasting usage
【170mm Left Crank Arm】: The center distance between two holes is 170mm, spindle interface type, horizontal taper, without any overlap of crank arm and chain ring bolt
【Ideal Bike Crankset Accessory】: Left hand pedal crank arm is suitable for road bike, mountain bike, folding bike, fixed gear , etc; A nice replacement for bike repair, compatible with many bike
【Easy to Install and Use】: The left hand crank arm with standard cutting of hole, which is easy to install and fit to your bike; Lightweight and small size, easy to use
【Note】: Black and silver available; Please check if the orientation of your right crank arm is or . Keep both left and right arms have the same hole