| 摘要 |
<p>The invention relates to a competition bicycle, meant for traveling distances in shorter periods of time. According to the invention, the bicycle has in the upper side of a tubular frame (1) a damper system consisting of a soft and comfortable structure, taking the shape of a saddle (6) positioned and consolidated on some sliding tubes (7) provided with some shoulders (8) ensuring a suspended structure on some springs (9) vertically disposed and located on some non-dismountable aprons (11) from inside of some fixed tubes (12), and at the lower side of the tubular frame (1) an inner cylindrical gearing being located and reinforced, said inner cylindrical gearing being made up of a crown (24) and a pinion (26) provided with some rollers (25) of free rotation on some fixed bolts (30).</p> |
