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Punctures are always annoying but they needn't ruin a ride. Always carry a bike pump, tools, a spare inner tube and a puncture repair kit when riding. It is almost always easier to just replace the inner tube and carry on riding, leaving the repair to be done at home. Simply follow the step-by-step instructions below:
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| 1) Rotate the wheel and check the tyre for any obvious causes of the puncture. Any sharp objects left in the tyre will puncture the inner tube again.
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2) Make sure the valve isn't leaking. The best way to test this is to immerse the valve in water - if you see a stream of bubbles then you have a problem.
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3) Loosen the wheel nuts with a spanner or operate the quick release bolts and the quick release mechanism on your brakes. Remove the wheel.
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| 4) Make sure the inner tube is deflated. Push the side wall of the tyre away from the rim on the opposite side to the valve. Insert the flat end of a tyre lever into the gap and push the lever down towards the spokes. Hook the other end of the lever onto a spoke.
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| 5) Move the tyre around by four or five inches and repeat step four.
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6) One side of the tyre is now free so you can reach in and pull the inner tube out a section at a time. Push the valve out carefully
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