Seat depth:;40 - 46 cm / 15.7 - 18.1";Seat width:;38 cm / 15";Back height (seat innen):;63 - 76 cm / 24.8 - 29.9";Back width (seat):;45 cm / 17.7";Shoulder height (belt guide):;38 - 60 cm / 15 - 23.6";Shoulder width (with shoulder guide):; 42 - 51 cm / 16.5 - 20.1";Back angle (max.):;120°;Seat tilt-in-space (basic model):;with tilting base 10° (0° / 2,5° / 5° / 7,5° / 10°). with tilting base 20° (10° / 12,5° / 15° / 17,5° / 20°);Lower leg length (with foot rest)):;17 - 43 cm / 6.7 - 16.9";Height of lateral trunk supports (upper edge):;26 - 36 cm / 10.2 - 14.2";Distance lateral trunk supports (max.):;35 cm / 13.8";Max. overall dimensions (w x h x d):;52 x 88 x 43 cm / 20.5 x 34.6 x 16.9";Min. folded dimensions (w x h x d):;52 x 21 x 73 cm / 20.5 x 8.3 x 28.7";Weight of seat (basic model):;12.3 kg / 27.1 lbs;Body height user:;130 - 180 cm / 51.1 - 70.9";max. user weight:;80 kg / 176,4 lbs