The S-Ergo ATX Ultralightweight Active Wheelchair by Karman can be customized to fit your active lifestyle. Choose among seat colors, flip back armrests, Spinergy wheesl, and front fork wheel options, to create the ideal chair for your needs. Standard features include a lightweight frame made of T6 aluminum that is designed for maximum strength, yet only weighs 15.4 pounds. This ultra-light frame, combined with a collapsible seat, makes it easy to fold, carry, and transport. The S-Ergo ATX will also make sure you can stay on-the-go without having to sacrifice comfort. Years of research and innovation have gone into incorporating ergonomic technology into an âSâ shaped seat that relieves pressure and gently cradles your body to prevent any stiffness or fatigue as you go through your day. Find out more about the variety of options you can choose from to maximize your ATX Ultralightweight Active Wheelchair experience.