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4. Use an additional one
or two tyre levers at
intervals of 10–15 cm,
and continue until
the entire side of
the tyre comes away
from the wheel rim.
2. Squeeze both sides of
the tyre together where
it meets the wheel
rim, and continue
around the entire
circumference of
the wheel.
3. At the point opposite the valve, insert a tyre lever
beneath the edge of the tyre. Prise up the edge of
the tyre and fix the tyre lever to one of the spokes.
5. Remove the valve from
the hole in the rim and
remove the inner tube
from the tyre.
6. Remove the tyre from the wheel rim.
Refitting the tyre and inner tube
1. Loop one side of the tyre back onto the wheel rim.
2. Partially inflate the inner tube just so that the tube
resumes its shape.
3. At the valve hole in
the wheel rim, pull up
the side of the tyre and
insert the valve into
the hole.
4. Push the inner
tube inside the tyre
around the entire
circumference.
5. Hold the valve in
place and push
the side of the tyre
around the valve over
the wheel rim.
6. Run your hands
in opposite
directions around
the circumference
of the tyre, pushing
the edge of the tyre
over the wheel rim as
you go.
Removing the tyre and inner tube
Remove the wheel from the frame or front fork
(see
Wheels
in the
Settings and adjustments
section).
1. Unscrew the valve cap and fully deflate the inner tube.
7. If you are removing the tyre and inner tube because of
a puncture, you should:
-
inspect both the tyre and the rim for damage.
Check for damage both visually and by running
your hand along the inside of the tyre and wheel
rim. Check the rim tape.
-
Remove any glass, sharp objects, etc. and replace
the tyre when necessary.
Important:
Take care not to pinch the inner tube between the edge
of the tyre and the rim.
7. Inflate the tyre, and then let the air out again.
8. Squeeze both sides of the tyre together where it
meets the wheel rim, and continue around the entire
circumference of the wheel.
Note
Steps 7 and 8 are important in order to prevent
the inner tube from being pinched between the rim and
the edge of the tyre.
9. Inflate the tyre to the recommended pressure, which is
stated on the side of the tyre. For the bicycle’s original
tyres, the pressure is 3.5–6.0 bar (50–85 PSI).
Summary of Contents for 18-1487
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