| 摘要 |
Bicycle with distinctive drive assembly that allows the cyclist to ride in an erect position and that has pedal boards (12) with each of the pedal boards (12) being pivot-mounted by its front end on the ends of respective cranks (8) and each of the pedal-boards extends in a guide rod (13). The guide rods (13) are supported by a rear assembly of sliding mountings (14), with the assembly consisting of a transverse tube (15) that is horizontally incorporated into the frame (2), and with each of its ends accommodating a roller (16) whose groove (16) is designed so as to accommodate the cross-section of the guide rod (13). |
