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青少年&儿童 C10Y-NW
CRANK   LENGTH曲柄长度127 / 140 / 152   / 160 / 165MM
CHAINRING齿片36T / 34T / 32T / 30T
CRANK   MATERIAL曲柄材质FORGED AL-6061-T6
CRANK FINISH曲柄涂层SAND   BLACK
CHAINLINE链条中心线49MM
CHAINRING MATERIAL齿片材质STEEL
CHAINRING FINISH齿片涂层BLACK
Q-FACTOR / I-FACTOR曲柄后下叉距离180.9 / 153.5MM
B.B. TAPER   SQUARE四方孔轴心124.5MM

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