All-terrain mobility scooters include knobby tires, robust motors, and boosted ground clearance to deal with gravel paths

https://www.mediafire.com/file/3wbt602k045kw4p/pdf-53327-56278.pdf/file

All-terrain mobility scooters add knobby tires, robust motors, and boosted ground clearance to deal with gravel paths, grass, and moderate off-road surface areas.