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FRONT SEAT TO FLOOR HEIGHTS - PRO-SA ONLY
Refer to the following figures to determine the obtainable front seat to floor (S T F) height for Pro-SA
wheelchairs with 3, 5, 6 or 8-inch casters:
NOTE: All measurements are in inches. The front seat to floor heights are approximate to
+1/4-inch.
6-INCH FORK-POSITION 1
6-INCH FORK-POSITION 2
6-INCH FORK-POSITION 3
8-INCH FORK-POSITION 1
8-INCH FORK-POSITION 2
3-INCH FORK
v 3-INCH FORK w/1-INCH SPACER
v 3-INCH FORK w/2-INCH SPACER
5-INCH FORK
v 5-INCH FORK w/1-INCH SPACER
FRONT CASTER FRONT
S T F SIZE S T F
16-1/4 3 17-1/2
17-1/4 5 18-1/2
N/A 6 OR 8 N/A
FRONT CASTER FRONT
S T F SIZE S T F
18-3/4 3 20
19-3/4 5 21
20-1/4 6 21-1/2
N/A 8 N/A
FRONT CASTER FRONT
S T F SIZE S T F
17-3/4 3 19
18-3/4 5 20
19-1/4 6 20-1/2
N/A 8 N/A
FRONT CASTER FRONT
S T F SIZE S T F
17-1/4 3 18-1/2
18-1/4 5 19-1/2
N/A 6 OR 8 N/A
FRONT CASTER FRONT
S T F SIZE S T F
18-1/4 3 19-1/2
19-1/4 5 20-1/2
N/A 6 OR 8 N/A
FRONT CASTER FRONT
S T F SIZE S T F
17-3/4 5 19
18-1/4 6 19-1/2
N/A 3 OR 8 N/A
FRONT CASTER FRONT
S T F SIZE S T F
17-1/2 3 18-3/4
18-1/2 5 19-3/4
19 6 20-1/4
N/A 8 N/A
FRONT CASTER FRONT
S T F SIZE S T F
18-1/4 3 19-1/2
19-1/4 5 20-1/2
19-3/4 6 21
N/A 8 N/A
FRONT CASTER FRONT
S T F SIZE S T F
N/A 3, 5 OR 6 N/A
20 8 21-1/4
FRONT CASTER FRONT
S T F SIZE S T F
N/A 3, 5 OR 6 N/A
21-1/4 8 22-1/2
v Using a spacer with a fork to achieve higher seat to floor heights will maintain a tighter turning radius than a
larger fork.
UPPER
FRAME
MOUNTING
HOLES
LOWER
FRAME
MOUNTING
HOLES
CASTER
HEADTUBE
LOWER
FRAME
MOUNTING
HOLES
UPPER
FRAME
MOUNTING
HOLES
SEAT TO FLOOR PROCEDURE 7
S
E
A
T
T
O
F
L
O
O
R