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

https://rapid-wiki.win/index.php/15_Things_You%27ve_Never_Known_About_Mobility_Scooter_UK

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