[問題] 最省力!台師大研究:單車坐墊前移5cm
無意間流灠youtube發現的
https://www.youtube.com/watch?v=SS5sdZjCfnE
請問報導是對的嗎?
那是不是買小一號車架就可以了
小弟公路車新手
求解惑
感恩
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