65
e
f
G
Bear in mind that by overtightening the
bolts the stem can crush the steerer tube.
In particular, models with a carbon fork
steerer tube react very sensitively to overloading
as a result of overtightening the shaft clamp at the
stem. Risk of breakage! Make sure the clamping
area is absolutely free of grease when any of the
clamping faces is made of carbon. If necessary,
use carbon assembly paste in the clamping areas
to ensure maximum clamping.
G
Check the secure seat of the stem by
taking the front wheel between your
legs and trying to turn the handlebars
and stem relative to the wheel
(e)
. A loose stem
can cause bad accidents.
G
Never change the preloading mech-
anism in the inside of the fork steerer
tube. Never install a star nut in carbon
fork steerer tubes.
A
Do not overtighten the upper bolt, it only
serves to adjust the headset play
(f)
.
I
There can be several reasons why
the bearings cannot be adjusted. If
you are not absolutely sure, ask your
CENTURION dealer for help.
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