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

https://www.scribd.com/document/1054963368/Don-t-Buy-Into-These-Trends-Concerning-Best-Mobility-Scooter-UK-144081

All-terrain mobility scooters include knobby tires, robust motors, and boosted ground clearance to deal with gravel paths, yard, and moderate off-road surface areas.