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KONA OWNER’S MANUAL
2. TIRE VALVES: There are primarily two kinds
of bicycle tire valves: The Schrader Valve and
the Presta Valve. The bicycle pump you use must
have the tting appropriate to the valve stems on
your bicycle.
The Schrader valve [Fig. 18a] is like the valve on
a car tire. To inate a Schrader valve tire remove
the valve cap and clamp the pump tting onto the
end of the valve stem. To let air out of a Schrader
valve, depress the pin in the end of the valve stem
with the end of a key or other appropriate object.
The Presta valve [Fig. 18b] has a narrower diameter and
is only found on bicycle tires. To inate a Presta valve
tube using a Presta headed bicycle pump, remove the
valve cap; unscrew (counterclockwise) the valve stem
lock nut; and push down on the valve stem to free it
up. Then push the pump head on to the valve head, and
inate. To inate a Presta valve with a Schrader pump
tting, you’ll need a Presta adapter (available at your
bike shop) which screws on to the valve stem once you’ve
freed up the valve. The adapter ts into the Schrader
pump tting. Close the valve after ination. To let air out
of a Presta valve, open up the valve stem lock nut and
depress the valve stem.
WARNING: We highly recommend that you carry a
spare inner tube when you ride your bike, unless the
bike is tted with tubeless tires. Patching a tube is an
emergency repair. If you do not apply the patch correctly
or apply several patches, the tube can fail, resulting in
possible tube failure, which could cause you to loose
control and fall. Replace a patched tube as soon as
possible.
5. SERVICE
WARNING: Technological advances have made
bicycles and bicycle components more complex, and
the pace of innovation is increasing. It is impossible
for this manual to provide all the information required
to properly repair and/or maintain your bicycle.
In order to help minimize the chances of an accident and
possible injury, it is critical that you have any repair or
maintenance which is not specically described in this
manual performed by your dealer. Equally important
is that your individual maintenance requirements will
be determined by everything from your riding style to
geographic location. Consult your dealer for help in
determining your maintenance requirements.
WARNING: Many bicycle service and repair tasks
require special knowledge and tools. Do not begin any
adjustments or service on your bicycle learned from
your dealer how to properly complete them. Improper
adjustment or service may result in damage to the bi-
cycle or in an accident which can cause serious
injury or death.
If you want to learn to do major service and repair work
on your bike, you have three options:
1. Ask your dealer for copies of the manufacturer’s
installation and service instructions for the components on
your bike, or contact the component manufacturer.
2. Ask your dealer to recommend a book on bicycle repair.
3. Ask your dealer about the availability of bicycle repair
courses in your area.
Regardless of which option you select, we recommend
that you ask your dealer to check the quality of your work
the rst time you work on something and before you
vvride the bike, just to make sure that you did everything
correctly. Since that will require the time of a mechanic,
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