PIONEER-238A

PIONEER-238AA

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CRANK LENGTH
曲柄长度
152mm, 170mm, 175mm
CRANK MATERIAL
曲柄材质
Forged AL-6061-T6
CRANK FINISH
曲柄涂层
Black Sand Ano.
CHAINLINE
链条中心线
45mm
BCD
螺丝分布直径
104mm
CHAINRING
齿片
38T
CHAINRING MATERIAL
齿片材质
Steel
CHAINRING FINISH
齿片涂层
BED
CHAINGUARD
链盖
Alloy, CNC Detail, Black Sand Ano.
Q-FACTOR /I-FACTOR
曲柄后下叉距离
174/144mm
B.B. TAPER SQUARE
四方孔轴心
110.5mm
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