1. 6061 #aluminum 6-tempered lightweight frame.
2. Double cross braces.
3. Fixed armrests and fixed. Footrest (plastec footplate).
1. 6 x 1" ( or 7 x 1") solid casters.
2. 16" pneumatic tire spoke rear wheel, with aluminum rim and handrim.
3. Nylon checkered upholstery.