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

https://victor-wiki.win/index.php/20_Fun_Informational_Facts_About_Compact_Mobility_Scooters

All-terrain mobility scooters add knobby tires, robust motors, and improved ground clearance to deal with gravel paths, grass, and mild off-road surface areas.