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

https://quebeck-wiki.win/index.php/Buy_Mobility_Scooters_It%27s_Not_As_Expensive_As_You_Think

All-terrain mobility scooters include knobby tires, robust motors, and boosted ground clearance to take on gravel paths, turf, and mild off-road surface areas.