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PRODUCTS
城市&折叠 PRO-R42PP
CRANK   LENGTH曲柄长度160 / 165 / 170   / 175MM
CHAINRING齿片42T
CRANK   MATERIAL曲柄材质FORGED AL-6061-T6
CRANK FINISH曲柄涂层SAND BLACK
CHAINLINE链条中心线45MM
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179.5 / 152.5MM
B.B. TAPER   SQUARE四方孔轴心127.5MM

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