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BIKE INNER TUBES

BTWIN 26x1.2-1.5 Bike Inner Tube - Presta

BTWIN
4/5
Decathlon
was £2.99 -%

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* From and limited stock
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Designed for 26-inch mountain bike wheels and tyres, this 26x1.20 to 26x1.50 inner tube has a 48mm Presta valve. It will retain its pressure even in wet conditions.
  • Waterproof
  • High quality
  • Take care not to pinch the inner tube when mounting it on

Product benefits

Compatibility 26" tyres with 1.2 to 1.5 cross section.
ETRTO 30/38 - 559
Waterproof Optimised composition to ensure your inner tube has a good seal.

Technical Information

How to choose your inner tube

Check the information indicated on the sidewall of the tyre (diameter and width). For example, 26x1.40 means that the tyre is 26 inches in diameter and 1.40 inches wide.
On the tyre sidewall you will also find the dimensions in mm in ETRTO international units.
For example, 38-559 means that the tyre is 38mm wide with a 559mm internal diameter (approx. 26x1.50).

Removing an inner tube

Remove the old inner tube using B'Twin tyre levers

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 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

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.

Weight:

145g

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Composition / advice

Composition
Membrane
90.00% Rubber - Synthetic, 10.00% Brass
Stock advice Carry your inner tubes in a container to protect them from getting punctured (tool drum, original packaging…).
Restricted use : Take care not to pinch the inner tube when mounting it on.

Our commitments

Test Product To guarantee optimal quality, 100% of our inner tubes are inflated for a period of 8 hours.
Guarantee : 2 Years

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