








[s:14] [s:14] 可以的啊~~~~

引用第0楼烧卖no.1于2008-07-25 22:55发表的: BB90标准,可以直接推入轴承,减轻了重量,也减小了中轴长度,使车手两腿间的距离与他们的公路车更相近。
是BB30拉。。。。。。。。。。。。。
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