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Using the quick release mechanism, remove the wheel. Using tyre levers (3, usually, can be metal, but better if glass filled nylon, ie hard plastic) remove one side of the tyre from the rim. Unscrew the ferrule holding the valve and push the valve up into the space between the tyre and the rim. Ease out the punctured tube.

Take the new tube and feed the valve through the hole in the rim and lightly screw on the ferrule. Gently feed in the new tube between the tyre and the rim. Lightly pump up the tube (half a dozen pump strokes only). Refit the tyre by hand until the last bit is too tight. Use the tyre levers to fit the last part, making sure that the tube is not 'nipped' between the tyre and the rim. Reflate the tyre and then refit to the wheel to the bike. Simples! Tshick! (As the 'cycling' Meercats would say.) Or just use a pump.

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14y ago

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