一、一种换档灵活方便的自动式自行车 自动式自行车(autobike)既不是指象汽车的自动化,也不是指骑车可以不费力气,自动式自行车指的是自动换档。这种换档系统几十年来是众多自行车发明者企盼的神圣领域,但是没有一个人能使它在一般市场中站住脚,原因就在于这种换档系统太复杂了,太难了,或者说过去的这种换档系统太 First, a kind of automatic bicycle with flexible and convenient shifting The automatic bicycle (autobike) does not mean the automation of the car, nor does it mean that cycling can be effortless. The automatic bicycle refers to automatic shifting. This shifting system has been the sacred field that many bicycle inventors have been hoping for for decades. But no one can make it stand up in the general market because the shifting system is too complicated, too difficult, or in the past The shift system is too