Comprised are a hand rim, a wheel rotated by receiving a torque applied to the hand rim, and a drive controller configured to apply auxiliary power in accordance with the torque applied to the hand rim to the wheel, the drive controller decelerates rotation of the wheel rotating in a state where no torque is applied to the hand rim, by performing a brake mode in which a brake torque acting in a direction reverse to a rotation direction of the wheel is applied to the wheel.
