47
WHEELS
26 Pumping up tyres
1. Take a bike pump with a suitable valve connector/adapter for your valve.
2. Remove the protective cap from the valve.
3. Check the tyre pressure using a pressure gauge or a bike pump fitted with a pressure
gauge.
4. Pump up the tyre or let air out until you reach the correct tyre pressure.
5. Fit the protective cap you previously removed back on the valve.
6. Then check if the bottom valve nut is correctly and securely screwed on. If necessary,
turn it clockwise to tighten.
27
Regular checks
• Check the tyres.
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To do this, check if:
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the tyres are showing cracks or damage.
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the tyre tread is within the correct range or if the tyre is already too heavily worn and
must be replaced.
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Contact your specialist dealer to replace damaged or worn tyres.
• Check the rims.
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To do this, check if the rims are showing cracks or damage.
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Check for indentations on the rim using your fingernail or a toothpick. If there are
indentations on the rim, the wear limit has been reached and the rim must be
replaced.
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Contact your specialist dealer to check the level of wear on the rims.
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Contact your specialist dealer to replace damaged or worn rims.
• Check the spoke tension.
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To do this, carefully press two individual spokes together at a time to check that the
tension of the spokes is identical.
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If you notice that individual spokes have loosened, contact your specialist dealer to
tighten the spokes.
