Abstract: Two-wheeled vehicle (4, 5), comprising: a cockpit (1) within which is provided at least one seat (3) for the driver and a command steering wheel (2); a gyroscopic system able to provide induced stability and self-balancing, even in static conditions, and including at least a couple of contrarotating gyrostats associated with operation means controlled by an electronic control unit; and a parking system (8) equipped with a pair of side wheels (9) having means (10) able to allow any possible lowering and lifting; such parking system (8) cooperates with the gyroscopic system under the control of the electronic control unit and is designed to act automatically, lowering these side wheels (9), in emergencies or in case of stopping, under static conditions, of such gyrostats.