PRODUCTS

Crank arm: Alloy forged. 
BCD : 104/64mm. 
Length: 155~175mm.
Alloy 7075-CNC Chainring: 
Teeth number : 44/34/24T, 44/32/22T, 44/34/22T, 42/32/22T.
Color : silver or black.
Compatible BB-axle : square, ISIS-splined