with 700 diameter tyres, 23 to 32mm across. ETRTO 23/32 - 622
Optimised composition to ensure your inner tube has a good seal.
CYCLING ROAD CYCLING ROAD RACING ROAD CYCLING
Presta - Small valve
How to choose your inner tube
Check the information indicated on the sidewall of the tyre (diameter and width). For example, 27.5 x 1.90 means a tyre with a 27.5-inch diameter that is 1.90 inches wide. On the tyre sidewall you will also find the dimensions in mm in ETRTO international units. For example, 50-584 means your tyre is 50mm wide with an inner diameter of 584 mm (approx. 27.5x2.00).
Removing an inner tube
Remove the old inner tube using a tyre lever.
Checks to carry out before installing an 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 rim strip and that it is positioned correctly. 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
Mounting the inner tube
Watch our video before you start. 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.
Mounting the tyre
Start mounting the tyre at the valve. Finish mounting the tyre opposite the valve to avoid pinching the inner tube. Never mount your tyre with a tool or a tyre lever, as you risk pinching and puncturing the inner tube.
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.
Tip from the pros
To avoid punctures from pinching and for the best tyre performance, we recommend that you check your tyres and inflate them to the suggested pressure before every ride.
Carry your inner tubes in a container to protect them from getting punctured (B'Twin carry case, original packaging, etc.).
To guarantee optimal quality, 100% of our inner tubes are inflated for a period of 8 hours.
Main part : 90.0% Rubber - Isobutylene Isoprene Rubber - Butyl, Main part : 10.0% Brass
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