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GRAVEL砾石 RPL-521-TT
CRANK   LENGTH曲柄长度165 / 170 /   172.5 / 175MM 
CHAINRING齿片48-32T / 46-30T
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11S / 10S / 9S
B.C.D螺丝分布直径110 / 80MM
CHAINLINE链条中心线48MM 
CHAINRING   MATERIAL齿片材质ALLOY(48T,46T) /   STEEL(32T,30T)
CHAINRING   FINISH齿片涂层BLACK SAND   ANO.(48T,46T)
Q-FACTOR /   I-FACTOR曲柄后下叉距离BLACK(32T,30T)


169.8 / 140.8MM

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