| 摘要 |
PURPOSE: A bicycle with a low-centroid frame is provided to prevent damage to a bicycle and increase service life since a supporter contacts the ground in advance to protect wheels. CONSTITUTION: A bicycle(100) with a low-centroid frame comprises a wheel(111), a rotary shaft(112), a frame part(120), and a support part. One or more wheels are placed in the bicycle. The rotary shaft is inserted into the center of the rotary shaft. The rotary shaft is projected from both sides of the wheel. The frame part is placed on the top of the wheel. The frame part is branched to both sides. The support part is placed on both ends of the lower part of the frame.
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