| 摘要 |
<p>Exercise bicycle comprised of a tubular structure (1,2) which at the bottom ends in two support crossbars (5), with the bushings (14) allowing mounting of ball bearings (17) of the pedal shaft (18) being mounted between three pairs of flat bars (13, 15, 16) which are joined to these on one end, while on the other end they are joined to the structure, from which structure extends vertically a mast (6) which is used as a support for the seat (7) and from which projects an overhanging crossbar (8) on the free end of which is the support (11) for handlebar (32, 33) with a telescoping arm. <IMAGE></p> |
