[問題] 關於腳踏車的前燈
看板bicycle (單車 腳踏車)作者happymumu17 (├ ★☆毛毛★☆ ┤ELIAN)時間15年前 (2011/03/12 22:12)推噓16(16推 0噓 13→)留言29則, 16人參與討論串1/1
各位版友好：
我平常在騎的是一般的淑女車(無變速功能)
然後這台腳踏車的前燈是需要用腳力來發電的
也就是 你騎得越快 燈才會越亮
可是我不知道是我的錯覺還是怎樣
我把那個腳力發電的開關打開後
在騎時 變得更吃力
關掉後 反而又恢復以往騎的那種感覺
想問各位版大 是不是這種前燈
需要耗費更多的力氣去騎腳踏車呢?
有人對這種腳力發電的前燈有所認知的嗎?
希望有版大可以回答我的疑惑
謝謝
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