A11 handle double grip with U brace 48” overall
B1 straight back frame with logo channel
C6 nose plate 18” x 9”  extruded aluminum,solid front mount
D5 wheel 10” x 3 1/5”  4 Ply Pneumatic, Sealed Precision Bearing
E11 Extruded Aluminum Stairclimber
E52 Frame Extension 52"