30
/
4. Change the inner tube
Switch the inner tube for an intact one.
•
Pump the inner tube up somewhat.
•
Check that the tyre is properly in place and
runs true using the control ring on the side of
the tyre. Adjust the positioning of the tyre with
your hand if it does not quite run true.
•
Pump the inner tube up to the recommended
tyre pressure.
•
Place one edge of the rim into the tyre.
•
Push one side of the tyre completely into the
rim.
•
Insert the valve through the valve hole in the
rim and put the inner tube into the tyre.
•
Pull the second side of the tyre into the rim
with the balls of your hands.
•
Ensure that the inner tube is correctly positioned.
•
In the case of Dunlop or Woods valves: Push
the valve stem into the right position and tight-
en the cap nut.
5. Reassembling the tyre and inner tube
Please avoid allowing foreign bodies
inside the tyre. Ensure that the inner
tube does not have any folds and is
not squashed.
Ensure that the rim tape covers all spoke
nipples and does not have any damage.
Tubular tires and tubeless tires must
be changed according to the tires and
rims’ manufacturer’s instructions.
Please take note of the running di-
rection of the tyre when installing it.
6. Reattaching the wheel
Reattach the wheel securely back in the frame or
fork with the corresponding quick release, bolted
connection or quick release axle mechanism.
If your bicycle has disc brakes,
please ensure that the brake discs
are correctly secured between the
brake pads!
Read the gear manufacturer’s instructions to cor-
rectly and safely assemble and set up derailleur
gear systems, gear hubs and combined hub and
derailleur gear systems.
Tighten all screws to the recom-
mended torque. Otherwise the
screws could break and parts could
fall off (see page 40).
•
Connect the brake line, attach it or close the
brake quick release.
•
Check if the brake pads are aligned with the
brake surfaces.
•
Securely attach the brake arm.
•
Test the brakes.
Brakes
Modern bicycles can be equipped with a variety
of different braking systems.
There are various options:
Rim brakes in the form of a V-brake
What to do if the rubber brakes start rubbing
against the rim:
You can use the spring adjusting screws to adjust
the rear spring force in such a way that both rub-
ber brakes lift from the rim the same way when-
ever you let go of the brake lever. Finish off by
testing the brakes.
Summary of Contents for Children's bike
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Page 67: ...U7 Please read Make note of the bicycle identification and delivery document Notes...
