Bicycle
AssigneeKarbon Kinetics Limited
InventorRICHARD THORPE
Life of this patent
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Abstract
There is described a bicycle (1) in which the rear wheel (3) is provided with a planetary hub gearbox (17) and is mounted on a single rear arm (13) positioned to one side of the rear wheel. The planetary gearbox comprises an outer casing (19) having an external bearing surface to engage a bearing mounted to the rear arm (13) of the bicycle, and releaseable mounting means for attaching the rear wheel (3) of the bicycle to the outer casing (19) of the planetary hub gearbox (17). The rear arm is of tubular or hollow construction, with the drive chain (15) or belt running enclosed within the rear arm (13).
Claims7
A hub for a bicycle wheel comprising a generally cylindrical casing for a planetary gearbox, the casing being adapted to receive an external bearing intermediate the axial extent of the casing for mounting the hub to a bicycle frame, and the hub further comprising releasable mounting elements cooperable with mounting formations formed on a bicycle wheel for releasably mounting the wheel to the casing.
Dependencies are inferred from the claim text.