The ShopRider Escape four wheel portable mobility scooter is the newest of ShopRiders scooters. This unit offers several advantages over older designs. The biggest change is its range or ability to travel on a single charge is almost twice what we find from scooters in the same class. Highly portable and very comfortable is what many DME specialist are saying about the new Escape. A highly portable lightweight scooter with a captain seat that also has adjustable flip up removable arm rest.