Description
Compatible with all Bafang Mid Drives BBS01 36V 250/350W, 48V 350W, BBS02 36V 500W, 48V 500/750W BBS 1000W..Easy to install. Tighten the Left Crank backwards (counterclockwise). Clockwise install to the drive right one.The cank arm is made of Aluminum alloy construction and it is durable and strong..Total length is 20.5cm. The original crankset has a hole pitch of 1.02 inch and a total length of 8.03 inch. Spindle interface type and horizontal square taper.