All-terrain mobility scooters include knobby tires, robust motors, and boosted ground clearance to tackle gravel courses
https://travisiywc111.capitaljays.com/posts/10-things-you-learned-in-kindergarden-which-will-aid-you-in-obtaining-mobility-scooter
All-terrain mobility scooters add knobby tires, robust motors, and improved ground clearance to take on gravel paths, turf, and moderate off-road surfaces.