Beta – ultra-lightweight, elegant, alluring and streamlined style, suitable for spinal injuries, paralyses and active lifestyle users, high-strength aircraft-grade aluminum alloy frame, shorter distance between front and rear wheelbase provides superior agility and maneuverability, this article is offered with “MAG” rear wheel complete with quick-releasing and handrim (in photo the article is showed with euro-style carbon fiber rear wheels boast ultra-lightweight: in this version article has a surcharge). Ultra-lightweight (only 11.5 kg w/o cushion)