| 摘要 |
<p>A bicycle frame, having the usual front fork, back fork, steering head sleeve and pedal shaft sleeve has an oblique tube, extending towards the steering head sleeve, which is pivotably connected to the back fork and is substantially in alignment with the back fork. A bar extends from the pivot point towards a saddle support means, and a bar extends towards the pedal shaft sleeve. The bars are substantially in alignment and are being connected to the back fork and to the steering head sleeve by tensioning wires, by demountable and releasable insert and wiring connections.</p> |
