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PRODUCTS
ROAD公路 RPC-621-TT-N
CRANK   LENGTH曲柄长度165 / 170 /   172.5 / 175MM 
CHAINRING齿片53-39T / 50-39T
BB SETSBB 组PW-BB68+ / PW-BB86
CRANK   MATERIAL曲柄材质FORGED AL-6061-T6
CRANK FINISH曲柄涂层BLACK SAND ANO.
COMPATIBILITY变速兼容10S / 9S
B.C.D螺丝分布直径130MM
CHAINLINE链条中心线43.5MM
CHAINRING   MATERIAL齿片材质ALLOY
CHAINRING   FINISH齿片涂层BLACK SAND ANO.
Q-FACTOR /   I-FACTOR曲柄后下叉距离 159.3 / 130.8MM

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