This is BAFANG AC-08-2 style,it only include left crank.It can fit with BAFANG BBS02B/BBSHD mid drive 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