| 摘要 |
A motorcycle structure, comprises a front wheel, a back wheel, an engine, and a frame body; wherein the frame body having a left horizontal frame and a right horizontal frame d1, each of the horizontal frames having an aslant pipe d2 coupled backward to the horizontal frames; a side wheel unit being set on each of the external side of the front wheel and the back wheel, further comprising a connecting device 1, a supporting base 2, and a side wheel 3; the connecting device is for pivotally connecting the supporting base and the horizontal frame. The side wheel 3 is pivotally coupled to the external side of the supporting base; the supporting base has at least one sprung rod 24 such that the bottom and the top of the rod are pivotally coupled onto the surface of the supporting base and onto the frame body Such arrangement mainly makes use of the erection assistance and the contraction functions of the side wheel unit, so that motorcycle riders can drive or make turns on a rough road surface more safely and stably.
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