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 : RD-2
CRANK MATERIAL : FORGED AL-6061-T6
CRANK FINISH : ABK
BCD : 130MM
LENGTH : 165-175MM
CHAINRING : 53-39T
CHAINRING FINISH AND MATERIAL :
53-39T : HBK+CNC,ALLOY
SPEED : 9/10S
CHAIN LINE:45MM
B.B.AXLE : 113MM
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