A device for disassembling a tyre from a wheel rim and a method of disassembling a tyred wheel.

The present invention relates to a device for dismounting a tyred wheel having a wheel rim (W) and a tyre (T) mounted on the wheel rim (W), comprising: - a support member (2), - a bill or lever-shaped dismounting tool (4) having one end (4a) thereof articulated to the support member (2), and the other work end (4b) thereof substantially hook-shaped, and - holding means for holding the tool (4) in an engagement and extraction position, the holding means comprising an elastically loaded pin (7).