The movement and leisure of bicycle include: front-wheel according to the method for the present invention; Rear-wheel; A kind of front fork; Rear fork; A kind of steering clutch lever; Seat; Support; A kind of backstay; Sprocket wheel and pedal. It is connected with supporting element between traversing fork and lever, supporting element extends to rear end, pedestal lower end gear and rear fork. The steering clutch lever, it is rotatable, it is arranged on the front fork of upper end. Seat can be located at seat and be supported from support and connecting rod. Installation bolt is located at the upper end support of the side on chassis. A kind of foldable backstay moves, and end is fixed to the lever of cross bar. One kind is for making user& prime support units; S heads to the backstay leaned against positioned at upper surface. Damping spring have one laterally secure near under support at position, pitched behind the lateral such side set of lever. Although the present invention designs people simply there are different constitutions to feel and various posture freshnesses and interest cosily to take. ;The 2014 of copyright KIPO submissions
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