PRODUCTS

Crank arm: alloy forged. 
BCD: 110mm. or 130mm,   
Length: 180~220mm.
Alloy 7075-CNC Chainring:
BCD110:  52/36T, 50/36T, 50/34T, 48/38T, 48/36T,
                 48/34T, 46/36T, 46/34T.
BCD130:  54/42T, 54/39T, 53/39T, 52/42T, 52/39T,
Color: silver or black, 
           (Available in other colors).
Compatible BB-axle: square taper, or ISIS-splined.