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Step 7 : Adapterplate for Klick Fix ( No. 3 ) with red ring on right side
1. Assemble the aluminium pole with the black tips and red ring on the left red pocket /
metal hole in the outer skin.
2. Assemble the left side into the the black textile pocket / metal hole
There are two holes for your individual height adjustment in that metal pocket.
Now you can adjust as you like but on both sides always same position ( upper or lower ).
Smaller driver -> upper position
Taller driver -> lower position
There should be enough head space over your helmet