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

https://connernyxw486.capitaljays.com/posts/a-look-at-the-good-and-bad-about-mobility-scooter

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