PRODUCTS

Crank arm: Alloy forged and CNC machined. 
BCD: 110 or 130mm.  
Length: 160~175mm.
Alloy 7075-CNC Chainring: 
BCD110:  50/36/26T, 50/34/24T, 48/38/28T, 48/36/26T,
                 48/34/24T, 46/36/24T, 46/34/24T..
BCD130:  54/42/32T, 54/39/30T, 53/39/30T, 52/42/30T,
                 52/39/30T,
Color: silver or black, 
           (Available in other colors).
Compatible BB-axle: square taper.