Crank arm: alloy forged.
BCD: 110mm.
Length: 155~175mm.
Alloy 7075-CNC Chainring:
Teeth number : 42/24T, 41/23T, 40/22T, 39/21T,
38/20T, 39/20T and others.
Color: silver or black,
(Available in other colors).
Compatible BB-axle: square, ISIS-splined or Integrated BB-set.