| 摘要 |
<p>Two wheel drive transmission system for bicycles or motorcycles. The transmission does not feature any chain wheel, chain, rear sprockets, derailleur, but comprises a 16 speed gear change located in the hub (0) of the pedal assembly, two drive shafts, one for the rear wheel and one for the front wheel, the movements of which are transmitted to the wheels by means of bevel gears and a free wheel mechanism for the rear wheel, and transmission gear wheels (11, 12 and 13), two shafts (24), conical bevel gears (15 and 16), a 'pseudo differential' and a free wheel mechanism for the front wheel. The transmission may not even include a universal joint. Application: especially for all terrain bicycles and motorcycles, and for racing motorcycles.</p> |
