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

https://www.scribd.com/document/1055251655/Are-You-Responsible-For-A-New-Mobility-Scooters-Budget-12-Ways-To-Spend-Your-Money-223871

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