Logitech PRO RACING PEDALS Setup Manual page 10

You can alter the feeling of the brake using the
different pairings of elastomer pieces as determined
by this table:
You will note that there are two small foam pieces
provided, one soft and one hard - only one of
these should be used in combination with two
of the larger elastomer pieces
18 mm
24 mm
29 mm
19 mm
25 mm
30 mm
10 ENGLISH
18 mm 24mm 29mm
28 mm 33mm
28 mm 39 mm
33 mm 39 mm
19 mm 25 mm
30 mm
29 mm 34 mm
2 9mm 41 mm
3 4mm 41 mm