| 摘要 |
A bicycle includes a bicycle frame, a wheel set, a treading unit, a handlebar unit, and a seat unit. The bicycle frame has front and rear ends. The wheel set includes front and rear wheels disposed respectively on the front and rear ends of the bicycle frame. The treading unit is mounted on the bicycle frame for transmitting treading power to the wheel set. The handlebar unit is mounted on the bicycle frame and is coupled to the front wheel to permit steering of the front wheel. The handlebar unit is pivotable toward and away from the rear end of the bicycle frame. The seat unit is mounted adjustably on the bicycle frame to permit height adjustment thereof relative to the handlebar unit.
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