In the worst case, some 8-speed chain rings have shown a tendency for chain jammingduring downshifts with a 9 speed chain.
In the worst case, some 8-speed chain rings have shown a tendency for chain jammingduring downshifts with a 9 speed chain.
最糟的是，某些8速的齿盘在搭配9速链条进行减档变速时会有“跳链”的倾向。