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lvmeng007:掉链子得看是牙盘掉还是飞轮掉。如果是高速飞轮向外掉链条,两个原因,第一是限位螺丝调整不合适,第二是后拨张力不足或者说看看链条是不是长了,导致力度不足拉不紧。如果是牙盘掉。如果是牙盘掉,那就考虑正负齿的问题。 (2019-09-24 20:42)
zhpeng1012:这样就能改单盘那还要正负齿干嘛? (2019-09-24 18:57)