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20
Advanced
mm (inch)
kg (lb)
Advanced size 1 Advanced size 2 Advanced size 3
Abduction angle,
each leg
10°/20–30° 15°/30° 25°/30°
Adduction angle,
each leg
10°/20–30° 15°/30° 25°/30°
Armrest to seat
distance
90-155 mm
(3½-6¼ inch)
100-165 mm
(4-6½ inch)
100-220 mm
(4-8¾ inch)
130-280 mm
(5-11 inch)
Backrest recline
angle
(-10°)–(30°) (-10°)–(30°) (-10°)–(30°)
Backrest height 280-370/320-
420/360-470 mm
(11-14½/12½-
16½/14¼-18½ inch)
340-440/380-
490/430-560 mm
(13½ -17¼/15-
19¼/17-22 inch)
420-530/470-
600/540-690 mm
(16½-20¾/18½-
23½/21¼-27¼ inch)
Back width, top of
backrest
180/220/260
300/340 mm
(7/8½/10¼/
11¾/13½ inch)
180/220/260/
300/340/380 mm
(7/8½/10¼/
11¾/13½/15 inch)
220/260/300/
340/380/420 mm
(8½/10¼/11¾/
13½/15/16½ inch)
Effective seat
depth
160-320 mm
(6¼-12½ inch)
240-420 mm (13½-
16½ inch)
350-550 mm
(13¾-21¾ inch)
Effective seat
width (without hip
supports)
220/260/300 mm
(8½/10¼/11¾ inch)
280/320/360/400
mm
(11/12½/14¼/15¾
inch)
380/420/460/500
mm
(15/16½/18/19¾
inch)
Front location of
armrest structure
230 mm
(9 inch)
290 mm
(11½ inch)
360-420 mm
(14¼-16½ inch)
Mass device* 6.5 kg
(14.3 lb)
11 kg
(24.3 lb)
14 kg
(30.9 lb)
*seat only (without accessories)
mm
(inch)
kg
(lb)