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

https://mag-wiki.win/index.php/How_To_Outsmart_Your_Boss_In_Buy_Mobility_Scooters

All-terrain mobility scooters add knobby tires, robust motors, and improved ground clearance to deal with gravel paths, turf, and moderate off-road surfaces.