The right crank is BAFANG AC-08-2 style,it can fit with bafang BBS02B/BBSHD mid drive motor kit
Aluminum alloy construction :durable and strong.Diamond interface hole
Length:Hole spacing length:170mm(Please make sure it is the same as your original), total length:210mm
The Right is the drive side and the Left is the non-drive side The left side pedal is reverse threaded so you tighten it backwards (counterclockwise).Drive side is normal, clockwise to install it
Notice: Please check the interface of your original crank arm is diamond hole,this is only right crank