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 TOX
CRANK MATERIAL : FORGED AL-6061-T6
CRANK FINISH : HBK
BCD : 104/64MM
LENGTH : 170MM
CHAINRING : 44/32/22T
CHAINRING FINISH AND MATERIAL : 42T ：
HBK+CNC,ALLOY，32-22T ：ED,STEEL
SPEED : 9/10S
CHAIN LINE : 49MM
Q-FACTOR : 187MM
B.B.AXLE : Ø24MM/143MM
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