Material: Alloy 6061 crank, high-strength steel chainring, detachable sprocket, easy to modify single-speed chainring. Scope of application: mountain bikes, hybrid vehicles, old school, cruisers, off-road vehicles, folding bikes, road bikes, track and field bikes, unicycles, city bikes.
Crank length: 170mm, BCD: 104mm(44T,32T), 64mm(22T)
Compatible speed: 7S/8S/9S, square cone BB (113mm~116mm spindle)
Pedal size: 9/16″, excluding BB, chainring weight: about 1.087 kg
Lifetime warranty: to ensure that you have no worries about shopping! If you have any questions, we will refund in full. If our products do not meet your expectations, you can get a full refund. Your satisfaction is our top priority.