Buying a Used 3 Wheel Electric Scooter For Adults If you buy a used mobility 3 wheel scooters wheel electric scooter designed for adults, you'll get more than just the initial price. You will also receive quality engineering standards, high-quality components, rust preventative hardware and mymobilityscooters safety features. The frame of this e-scooter is made of square tubing, which offers the most optimal angles for welding. This creates an incredibly strong frame that is less likely to break. Power If you are looking for a used 3-wheel electric scooter for adults, be sure that it is able to get you there you want to go. A scooter equipped with a high-output motor will give you more speed and range than a Effortless Mobility: Lupin Easy Fold Scooter (100kg Capacity) with a low-output motor. Also, choose a model with front-mounted electric brakes as well as rear mechanical brakes to ensure your safety.