X Cannot find what you are looking for? With focus and vision, Quantum leads the market with innovations in power bases, seating and drive controls. Sorry, there was an error when submitting the form, please try again. Extremely narrow Edge 3 Stretto The Edge 3 Stretto is one the narrowest, most maneuverable power chairs on the market! Filter by. Power recline with power elevating leg rests are required on TRU-Balance 4.