Logitech PRO RACING PEDALS Setup Manual page 4

CONNECTION AND INSTALLATION
If attaching to a simulation racing rig / seat then please allow
for a maximum depth of 10mm with the M6 bolts that you use
Note the thickness of the plate / platform that you're attaching
the pedals to, add that to 10mm and you will then know
10MM
T L
the length of M6 bolt that you need to use Due to the standard
sizes of M6 bolt lengths you may need to use washers to prevent
longer bolts from encroaching too far inside the pedal unit when
M6X1 L = T + 10MM
attaching it to your rig You only need to hand tighten - do not
use power tools to tighten the bolts
4 ENGLISH