| 摘要 |
<p>The invention is a new cycling training device for application to bicycles (B) comprising a supporting element (S) with a seat for containing a hub (M) suitable for coupling with the rear fork (Bf) of a bicycle (B), a wheel (R) or flywheel with its sprocket (Rp) attached to said supporting element (S), parallel to said hub (M) and in a position opposite that of a bicycle (B) hooked onto said hub (M); the hub (M) is complete with a chain wheel (Dr) and a set of cogs (Dc) lying side by side and with decreasing diameters, suitable for coupling with the chain (Bc) of the bicycle (B) installed on said new device.</p> |
