All-terrain mobility scooters include knobby tires, robust motors, and improved ground clearance to take on gravel courses

https://www.mediafire.com/file/u19quo5b0y5fm6v/pdf-11667-8943.pdf/file

All-terrain mobility scooters include knobby tires, robust motors, and improved ground clearance to take on gravel courses, yard, and moderate off-road surfaces.