PRODUCTS

Crank arm: alloy forged. 
BCD: 130mm.   
Length: 165~175mm.
Alloy 7075-CNC Chainring:
Teeth number : 54/42T, 54/39T, 53/39T, 52/42T, 52/39T
Color: silver or black, 
           (Available in other colors).
Compatible BB-axle: square or ISIS splined or Integrated BB-set.