Please check the interface of your original crank arm is diamond hole. Applicable: This Crank arm design for BAFANG mid drive motor BBS01, BBS02, BBSHD and M200 motor.
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
Fast shipping:FBA warehouse or Local Las Vegas Warehouse, fast shipping, 3-7 days on delivery

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