Help & Support

How do I repair a puncture?

To identify if, or where you have a puncture, mark the tyre in line with the air valve, remove the tube from the wheel. Inflate the tube to twice its’ normal size.

Submerge the tube in water, looking for air bubbles around the tube and valve area.Mark the tube where the bubbles leak from.

Repair the tube with a standard bicycle repair patch.

Note the position of the leak measured from the valve stem. Examine the inside of the tyre and the rim at the same position as the leak is from the valve hole on the rim, looking for something sharp, like grit, sand, or thorns.

Should no leaks show under water, refit the tube into the wheel. Press an object into the valve to release the air quickly, do this a few times. Sometime dirt sticks in the valve when inflating the tube and prevents the valve from seating correctly, causing slow punctures.

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Should you need to replace an inner tube, these are available from our webshop.

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