波撥(前變速器) Front Derailleurs

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    2
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    SHIMANO FC-R7100 105 CRANKSET-12S十二速雙片鏈鉼-BK黑色
    CrankArm Length:

    170mm

    Chainring teeth:

    50/34t

    1 X HK$ 792 = HK$ 792
    Shimano Ultegra/105 Bottom Bracket (BB) (SM-BBR60)
    Spec:

    BSA

    1 X HK$ 125 = HK$ 125