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700x18-25 48mm Presta Valve Inner Tubes Twin

Entry-price inner tube.

3.9 / 5

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Designed for a 700 mm diameter road bike wheel fitted with an 18-25mm wide tyre. Equipped with a 48mm Presta valve

Entry-price Presta valve inner tube.

700mm tyre and wheel, 18 to 25mm cross section, with Presta valve.


48mm Presta (or French) valve to retain pressure well.

How to choose your inner tube

Check the information indicated on the sidewall of the tyre (diameter and width). For example, 700 x 23 means your tyre is 700mm in diameter and 23mm wide. On the sidewall, you will also find the dimensions in mm in international ETRTO measurements. For example: 23-622 means your tyre is 23mm wide with an inner diameter of 700mm (so 700 x 23).

Removing an inner tube

Remove the used inner tube using B'Twin tyre levers (item code 8047839).

What to check before installing your new inner tube

Check the condition of your tyre and replace it if necessary. Make sure no objects are lodged in the tyre. Check the condition of your tyre rim strip. A rim strip that is even slightly bent can cause punctures. Check that your rim does not have any other issues that could damage your inner tube.

Fitting your inner tube

Pre-inflate the inner tube slightly to avoid pinching. Insert the valve, making sure you are using the correct valve for your rim. Put the inner tube entirely inside the t



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700x18-25 48mm Presta Valve Inner Tubes Twin reviews

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