| 摘要 |
A bicycle is provided to enable sports for legs, and to improve interest and appearance by transmitting rotation force to a rear wheel only in one direction and rotating pedals according to a constant trace. A bicycle comprises a front wheel(110) provided at the front of the bicycle and steered, a rear wheel(120) provided at the rear spaced from the front wheel for generating driving force, a connection unit(140) whose front and rear ends are respectively connected to the front and rear wheels for rotating the rear wheel according to a moving trace, and a rotation force transmitting unit for transmitting the rotation force to the rear wheel only in one direction.
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