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