| 摘要 |
<p>A compact bicycle for indoor exercise characterised in that said bicycle comprises a folding frame having a central body (2) from which extend an upright saddle support (4) and a front downwarts leg support (5) both being solid with the central body, and two other articulated elements, one functioning as a handle upright (10) and pivoting around a bearing at the front end of the central body, the second functioning as rear legs support (11) and being pivotally connected to the rear part of the central body; the handle upright extending below the central body bearing to be pivotally connected at its end by a tie rod to a pivot on the central section of the rear leg element, so that a rearwards movement of the handle upright causes the forward rotation of the rear leg element in a folding movement. <IMAGE></p> |
