See here hinge pin being removed for folding bike.

在这里看到铰脚被删除的折叠自行车.

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This is true for all folding bike brands with a long stem design.

这是所有设计有长竖管结构的折叠车所存在真实问题.

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Multi - modal commuting by folding bike is a rapidly growing market, especially in large urban areas.

多模式通勤模式的市场成长快速, 尤其是在大型的都会区域中.

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