Gazzini 10040370 Mode D'emploi page 24

Now measure the thread protrusion. To do so, push the screw firmly against
the triple tree from below and make sure that it rests on the triple tree. Hold the
screw in this position and measure the length of the protruding thread. The length
must be between 10 and 11 mm. If this value is not met, replace or shorten the
screw as necessary. Galvanised steel screws M10x1.5 class 8.8 must be used.
Now brush the suitable screw on the thread with separate "medium-strength"
threadlocker.
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