Choosing Between 3-Wheel Mobility Scooters 3-wheel scooters have a smaller turning radius (up to 1 foot less) and are ideal for indoor use. They are also lighter and more convenient to transport than 4-wheel models. These portable Value-For-Money Scooters fold and unfold themselves automatically without any disassembly needed. They are ideal for travel and can easily be taken on flights. Tighter Turning Radius Wherever you intend to use your scooter the amount of space it requires to maneuver is a factor to consider. best mobility scooters scooters with a narrower turning radius are more able to navigate through narrow hallways, doors and other spaces which may be difficult to navigate if the scooter has a larger turning radius. This is crucial, particularly in the event that you intend to use your scooter mostly indoors or in crowded areas. A smaller turning radius allows you to make precise turns and avoid obstacles without losing control.