... , detachable footrest, solid castor, PU rear wheel.HB874LAH: Aluminum light weight chair frame, fixed armrest, fixed footrest, solid castor ... rear wheel, drop back handle, with drum brake.HB864LAJ: Aluminum light weight chair frame, fixed armrest, fixed footrest, solid ... rear wheel, drop back handle, with united brake.HB870LAJ: Aluminum light weight chair frame, fixed armrest, fixed footrest, solid ...