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SHIMANO ULTEGRA Di2油压碟刹双控手柄 2x12速
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SHIMANO ULTEGRA Di2油压碟刹双控手柄 2x12速
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SHIMANO ULTEGRA Di2前拨链器 2x12速
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SHIMANO ULTEGRA 2x12速HOLLOWTECH II(第二代中空技术)曲柄
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SHIMANO ULTEGRA Di2后拨链器 2x12速SHIMANO SHADOW RD(隐藏式后拨)
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SHIMANO DEORE XT CENTER LOCK 碟刹盘片 203/180/160/140 mm