您身边的锻铝专家
Aluminum Forging Experts Around You.
13706898377
您身边的锻铝专家
Aluminum Forging Experts Around You.
CRANK MODEL : FX4
CRANK MATERIAL : FORGED AL-6061-T6
CRANK FINISH : HBK
BCD : 104/64MM
LENGTH : 165-170MM
CHAINRING : 42-32-22T
CHAINRING FINISH AND MATERIAL :
42T ：HBK+CNC,ALLOY,32-22T : HSL,STEEL
SPEED : 9/10S
CHAIN LINE : 47.5MM
B.B.AXLE : 113MM
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