您身邊的鍛鋁專家
Aluminum Forging Experts Around You.
13706898377
您身邊的鍛鋁專家
Aluminum Forging Experts Around You.
CRANK MODEL : SS1
CRANK MATERIAL : FORGED AL-6061-T6
CRANK FINISH : HBK+AA
BCD : 104/64MM
LENGTH : 170MM
CHAINRING : 44-34-24T
CHAINRING FINISH AND MATERIAL :
44T：HBK+CNC,ALLOY,34-24T : HSL,STEEL
SPEED :9S
CHAIN LINE : 47.5MM
B.B.AXLE : 120MM
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