| 摘要 |
The present invention relates to a foldable bicycle of the type including a chassis, a so-called frame (1), on the one hand, and a rear arm (15) firmly attached to the frame (1) and bearing the axis of the hub of a driving rear wheel (16) on the other hand, the driving torque being transmitted to the driving wheel (16) through a chain (17) extending between a driving pinion (13) firmly attached to the frame (1) and a driven pinion (18) firmly attached to the axis of the hub of the driving wheel (16); said bicycle is remarkable in that the rear arm (15) consists of at least two so-called horizontal arms (19a, 19b), one of the ends of which, a so-called proximal end, is jointed to the frame and the other end of which, a so-called distal end, bearing the axis of the hub driving rear wheel (16), is firmly attached to one of the ends of said rear oblique arms (20a, 20b), the other end, a so-called proximal end, of said rear oblique arms (20a, 20b) being provided with male or female firm attachment means capable of cooperating with female or respectively male firm attachment means of the seat tube (2) or of the horizontal tube (4) so that a user may firmly attach or detach the rear arm (15) from the frame (1) without using any free attachment part. Another object of the invention relates to a bag intended to receive a foldable bicycle according to the invention.
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