Abstract: A motorized self-balancing vehicle is provided. The vehicle may include at least two wheels. The vehicle may include a self-balancing mechanism. The vehicle may include a manual-drive mechanism. The self-balancing mechanism may constantly update the self-balancing vehicle in order to maintain the balance of a rider of the vehicle, while the rider is engaged in human motion on the manual-drive mechanism. The human motion may include pedaling and/or stepping. The vehicle may include an electric motor. The vehicle may include only an electric motor. The vehicle may include only a manual-drive mechanism. The vehicle may include both the manual-drive mechanism and the electric motor. In the embodiment including the manual-drive mechanism and the electric motor, the power generated by the electronic motor may be combined with power generated by the manual-drive mechanism in order to move the vehicle.