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MTB-TREKKING旅行 CPRO-MD171PP-NW
CRANK   LENGTH曲柄长度140 / 152 / 165   / 170 / 175MM
CHAINRING齿片42T / 40T
CRANK   MATERIAL曲柄材质FORGED AL-6061-T6
CRANK FINISH曲柄涂层SAND BLACK
COMPATIBILITY变速兼容11S / 10S / 9S
CHAINLINE链条中心线49MM 
CHAINRING   MATERIAL齿片材质STEEL
CHAINRING   FINISH齿片涂层BLACK
CHAINGUARD链盖DOUBLE PLASTIC BLACK
Q-FACTOR /   I-FACTOR曲柄后下叉距离180.4 / 153MM
B.B. TAPER   SQUARE四方孔轴心124MM

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