从装备上来看,摆在人们眼前的确实是一辆正宗的电动自行车,但从外表来看,它犹如一辆普通的自行车。这是为什么?这一切只有电动自行车专家心里最清楚。据电动车专家介绍,该电动自行车之所以在外表上酷似一辆普通的自行车,几乎令人难以识别,其秘密系在于:传动装置(体积较小)被安装在后轮毂上;蓄电池则隐藏在车架下管内,与整个车架有机地融为一体。这辆出自德国 From the equipment point of view, put in front of people really is an authentic electric bike, but from the outside, it is like an ordinary bike. This is why? All this is only the best e-bike experts in mind. According to electric car experts, the reason why the e-bike looks like an ordinary bicycle is almost unrecognizable. The secret is that the transmission (smaller) is mounted on the rear hub; the battery is hidden behind Frame under the tube, and the whole frame organically integrated. This car from Germany