16
Please ensure that axle nuts and
boosters are correctly attached!
Dirt and permanent strain wear the
chain. The chain should be replaced
as soon as it can be signicantly lift-
ed (approx. 5 mm) from the front chain ring.
Many modern chains for derailleur gear sys-
tems no longer have chain connectors. You
therefore require specialist tools to open/
change/close them. This work should be
carried out by a specialist retailer.
Other chains are supplied/assembled with
chain connectors. In some cases, these can
be opened without the need for tools. These
chain connectors can also be used to repair
a damaged chain on a ride, if they have the
correct width for the drive train.
Belt drive
If your bicycle is equipped with a
belt drive, please read the attached
component manufacturer’s operat-
ing instructions before rst use.
Rims / tyres
Normal operation wears down
brake rubbers and brake pads. You
should therefore regularly check the
condition of your braking system and brake
pads! Replace worn brake pads and rubbers
in good time!
Ensure that rims and brake discs are clean
and free of any oil!
Clean the rims regularly according to the in-
spection plan on page 22. As part of this, you
should also check the wear indicators:
Modern rims (from 24”) indicate
when they are worn from braking.
These indicators take the form of
embossed or coloured points or lines on the
brake surfaces of the rims. When these dis-
appear, you are no longer permitted to use
the rims. There are also similar indicators
which only appear after a certain level of
wear. At the very latest when two pairs of
brake rubbers have been worn, it is neces-
sary to have the rims check by a specialist
retailer.
* see page 25
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