... up and back armrest,detachable footrest,solid castor,PU rear wheel,plastic handrim ,aluminum footplate Detailed Product Description FY978LXPAluminum Lightweight Frame ... Model #Width open (mm)Seat width (mm)Dia.rear wheel (inch)Dia.front wheel (inch)Seat height (mm)Overall height (mm)Seat depth ... 870 400 410 100 12 1479*27*88 Aluminum folding wheelchair FY978LXP