To reduce a traveling load of a bicycle easily and conveniently used by people, in accordance with the rules of actions of people and in harmony with nature, and used as a healthy traveling tool.

The weights of a front carrier basket and a cargo therein, a bicycle, and a rider are divided into two parts with respect to a pivot near a handle shaft 1 to derive the feeling of the reduced rotating load of a pedal. Since the structure of a front wheel fork 2 contains a forward self-rotating element, the structure is formed so that the diameters of the front and rear wheels are different from each other and a frame 3 is formed in a loop structure, and the column of the rear wheel axle is formed in the structure of a fork 11 so as to increase a running performance.