Model No.: B31-AC3
Crank material:Forged Alloy A6061-T6
Chainrings material:Outer:Alloy anodized
B.B.Axle:110.5mm(22-68-20.5R). Contact us if you need more details on Chainwheel. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Crank、Bike Chainwheel. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : Bicycle Chainwheels