Seat height rear (SHh)
Options for changing the SHh:
• Replace rear wheel with a larger or a smaller one
• Change the position of the adapter plate, Chap. Rear wheels.
Seat height rear with respect to the rear wheels and positioning on the frame
SHh [mm]
Rear wheel size [inch]
22’’ 24’’ 25’’ 26’’
370 1
380 2
390 3 1
400/410 4 2 1
420 5 3 2 1
430 6 4 3 2
440 7 5 4 3
450/460 8 6 5 4
470 9 7 6 5
480 10 8 7 6
490 9 8 7
500 10 9 8
Seat width (SB)
SBs range from 280 - 500 mm.
Once the SB is specified, it is very dicult to change it: the cross
struts, backrest cover (on standard backs) and, on some configura-
tions, the footrests must be replaced.
Seat depth (ST)
STs range from 320 - 500 mm.
To reduce the ST, the cross struts must be shortened and a new ap-
propriately sized seat cover fitted. At an ST ≥ 400 mm, the frame can
be shortened.
To enlarge the ST, new cross struts, a new appropriately sized seat
cover and, depending on the ST, a new frame must be installed.
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