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

8243100

B'TWIN

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Made 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.

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Advantages
Compatibility700mm tyre and wheel, 18 to 25mm cross section, with Presta valve.
Waterproof48mm Presta (or French) valve to retain pressure well.
Warranty2 Years
Technical Information

1
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).
2
Removing an inner tube
Remove the used inner tube using B'Twin tyre levers (item code 8047839).
3
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.
4
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 tyre so that it fits inside the rim. Take care not to pinch the inner tube when fitting.
5
Mounting the tyre
Start by mounting the tyre onto the wheel on the opposite side to the valve. Finish mounting the tyre at the valve to avoid pinching the inner tube. Never mount your tyre with a screwdriver or a tyre lever, as you risk pinching and puncturing the inner tube.
6
Inflating the tyre
Inflate your tyre carefully, to the pressure recommended by the manufacturer (visible on the tyre sidewall in PSI or bars, 1 bar = 14.51 PSI). Regularly check that your tyre is in the correct position as you inflate it.
7
Tip from the pros
To avoid punctures from pinching and for best tyre performance, we recommend that you check your tyres and inflate them to the suggested pressure before every ride.
8
Weight:
97g each
Information / Concept / Technology
Composition
Membrane : 100.0% Rubber - Synthetic

Product test
To guarantee optimal quality, 100% of our inner tubes are inflated for a period of 8 hours.

Stockage tips
Carry your inner tubes in a container to protect them from punctures (tool drum, original packaging, or bag).

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