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WARNING: There is a safety risk in using gas station air hoses or other air compressors. They
are not made for bicycle tires. They move a large volume of air very rapidly, and will raise the
pressure in your tire very rapidly, which could cause the tube to explode.
Tire pressure is given either as maximum pressure or as a pressure range. How a tire performs under
differentterrainorweatherconditionsdependslargelyontirepressure.Inatingthetiretonearitsmaximum
recommendedpressuregivesthelowestrollingresistance;butalsoproducestheharshestride.High
pressures work best on smooth, dry pavement.
Tire pressure that is too low for your weight and the riding conditions can cause a puncture of the tube by
allowingthetiretodeformsufcientlytopinchtheinnertubebetweentherimandtheridingsurface.
Ask your dealer to recommend the best tire pressure for the kind of riding you will most often do, and
havethedealerinateyourtirestothatpressure.Then,checkinationsoyou’llknowhowcorrectlyinated
tires should look and feel when you don’t have access to a gauge. Some tires may need to be brought up to
pressure every week or two, so it is important to check your tire pressures before every ride.
2. Tire Valves
There are primarily two kinds of bicycle tire valves: The Schraeder Valve and the Presta Valve. The bicycle
pumpyouusemusthavethettingappropriatetothevalvestemsonyourbicycle.
TheSchraedervalveislikethevalveonacartire.ToinateaSchraedervalvetire,removethevalvecap
andclampthepumpttingontotheendofthevalvestem.ToletairoutofaSchraedervalve,depressthe
pin in the end of the valve stem with the end of a key or other appropriate object.
ThePrestavalvehasanarrowerdiameterandisonlyfoundonbicycletires.ToinateaPrestavalvetire
usingaPrestaheadedbicyclepump,removethevalvecap;unscrew(counterclockwise)thevalvestemlock
nut;andpushdownonthevalvestemtofreeitup.Thenpushthepumpheadontothevalvehead,and
inate.
WARNING: We highly recommend that you carry spare inner tubes when you ride your bike,
unlessthebikeisttedwithtubelesstires.Patchingatubeisanemergencyrepair.Ifyoudonot
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
maintenancewhichisnotspecicallydescribedinthismanualperformedbyyourdealer.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.