HOW TO FIX A BIKE PUNCTURE

You’ll need a puncture repair kit and a bicycle pump.

Turn the bike upside down so it’s only resting on the seat and the handlebars; remove any obvious cause of the puncture, like a nail, from the tyre.

Take the wheel off your bike, disconnecting the brake first if applicable, and let out any air remaining in the inner tube by pushing up on the tyre valve.

Use tyre levers to ease the tyre and punctured inner tube off the wheel: insert one lever between the tyre and the rim and push down to lift the tyre up. Run around the rim with a second lever to free the tyre completely. Carefully lift the tube out of the tyre.

Run your fingers slowly along the inside of the tyre, feeling for any remaining debris that might still be lodged in the rubber. Pump air into the tube until you can locate the leak, either by feeling or hearing the hiss of escaping air. Mark the hole with a pen and push the air out of the tube.

Sand around the area for repair with the sandpaper that comes in your repair kit. Spread a thin layer of glue over and around the hole and allow it to dry until the glue is no longer shiny.

Take a repair patch, peel off the backing and press it firmly into place over the glue.

Guide the tube back into the tyre, aligning the valve with its hole in the rim Push the tyre back onto the rim with your hands, rather than tools, to prevent another puncture.

Reconnect the brake if necessary when you put the wheel back on your bike. If the rear wheel was removed, edge the chain round the gear cluster. The tyre rim should be centred between the brakes. Finally, re-inflate the tyre.

THE GREAT OUTDOORS

Before you go adventuring make sure you’re well-equipped with these tips.

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