MIDTOWN-253A

MIDTOWN-253A

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CRANK LENGTH
曲柄长度
170MM
CRANK MATERIAL
曲柄材质
Forged AL-6061-T6
CRANK FINISH
曲柄涂层
HP Black Ano.
CHAINLINE
链条中心线
45MM
BCD
螺丝分布直径
130MM
CHAINRING
齿片
53T
CHAINRING MATERIAL
齿片材质
Alloy
CHAINRING FINISH
齿片涂层
Black Sand Ano.
Q-FACTOR / I-FACTOR
曲柄后下叉距离
158/129MM
B.B. TAPER SQUARE
四方孔轴心
113MM
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