Attractive, Euro-style design. Brake cable inside frame for added safety. Handle height easily adjusts with unique push button. Unique suspension system for support and comfort. Back support height easily adjusts with tool-free thumb screw. Caster fork design enhances turning radius. Large 10″ front casters allow optimal steering and rolling comfort. Easily folds with one hand to ultra-compact size for storage. Under seat locking mechanism holds the Nitro closed when frame is folded. Cross-brace design allows for side-to-side folding and added stability. Seat is durable and comfortable.