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).
Integrated BB-set includes.