Cranksets by BAFANG. Details: 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.
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