Crank arm: alloy forged.
BCD: 104mm.
Length: 155~175mm.
Alloy 7075-CNC Chainring:
Teeth number : 44/29T, 42/29T, 41/28T, 41/27T, 40/27.
Color: silver or black,
(Available in other colors).
Compatible BB-axle: square, ISIS-splined or Integrated BB-set.