Number of the patent of China: ZL02202***.2
Chinese patented product, gear wheel transmission change speed and build up body the scooter , need energy and inflate , Suitable men and women, old and young build up body and do exercises. This car, in order to initiate both at home and abroad. Cyclist need and stand at car footboard stepping on and work up the step with the both feet from head to foot only, Utilize one's own weight of the human body , turn it into driving force , make the truck exercised . Such many kinds of functionses as the short distance with interesting, amusement, security rides instead of walk and building up body, One most practical riding instead of walk, build up body product new-type an modern times.