Abstract: A vehicle for transporting loads over rough terrain having a seat mounted on a bracket which is mounted on a frame which rides on a single wheel carried within a fork. A handlebar with vertical handgrips provides control in a variety of positions in use, and a pair of normally retracted wheels which can be extended to stabilize the vehicle. The vehicle is adjustable in length, wheel size, handlebar size and presentation, load size, angle, and center-of-gravity relative to the wheel, and the number of wheels in contact with the ground.