Outside mobility scooters include bigger wheels and more powerful suspension to deal with unequal walkways, curbs

https://www.scribd.com/document/1048386233/Do-Not-Buy-Into-These-Trends-Concerning-Buy-Mobility-Scooter-193567

Outside mobility scooters feature larger wheels and stronger suspension to deal with unequal sidewalks, curbs, and park paths for smoother, safer trips.