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karn:可能换不了,是专用的轴承,跟shimano那档-碗的散珠结构相近但是更好看些。Campagnolo/Fulcrum轮组稍高一点的级别都是这种,顶级的也一样只是用陶瓷滚珠。 (2015-06-24 15:02)
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