Product: Bafang Crank Arm 170mm Electric Bicycle Crank Mid Motor Cranks Essential Parts Mid Motor Accessary BBS01 BBS02 BBSHD Electric Bikes Part & Accessories E Bike Crank Leg
Brand: BAFANG
This is a replacement straight crankarm (no offset) that is the same as what is shipped with the BBS01 & BBS02 drive units. You must specify a side L or R when ordering. The Right is the drive side and the Left is the non-drive side. You must use the right side crankarm for the correct side of the bike

Be aware when mounting pedals that the left side pedal is reverse threaded so you tighten it backwards (counterclockwise)..Drive side is normal, clockwise to install it.
Applicable: This Crank arm can work with BAFANG mid drive motor BBS01, BBS02, BBSHD and M200 motor. Please check the interface of your original crank arm is diamond hole
Aluminum alloy construction :durable and strong.Diamond Interface hole
Length:170mm, spindle interface type,horizontal square taper
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.

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