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

https://foxtrot-wiki.win/index.php/This_Is_The_Ugly_Truth_About_Buy_Mobility_Scooter_UK

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