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PRODUCTS
城市&折叠 PRO-L42PP
CRANK   LENGTH曲柄长度152 / 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170 / 143MM
B.B. TAPER   SQUARE四方孔轴心119MM

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