| 摘要 |
<p>The bicycle has a frame associated to a rear wheel and a directing fork, where the fork pivots around an axis (AA) and is formed of an arm. The fork has an adapter which is movable relative to the arm in two positions. The adapter co-operates with a front wheel in one position, and with a rear part of another bicycle (8b) in another position. The adapter has a support zone sized to be supported in a housing arranged in the rear part of a frame of the bicycle (8b) in latter position. Inserts are pierced of a through hole which serves as locking unit for integrating two bicycles.</p> |
