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

https://lima-wiki.win/index.php/Indisputable_Proof_Of_The_Need_For_Scooters_Mobility

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