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BIKE INNER TUBES

BTWIN 27.5x1.7-2.2 Self-Sealing Bike Inner Tube - Presta

BTWIN
3.8/5
3.8/5
(5)
Decathlon
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Designed for A self sealing inner tube for 27.5" Mountain Bike Tyres. 27.5x1.7 to 27.5x2.2 inner tube. This self healing inner tube for 650b MTB's is the ideal way to keep punctures at bay when out on the trails. The special liquid inside the tube repair holes of up to 3mm and will seal itself as you ride along. 27.5x1.70 to 27.5x2.20 self-sealing Schrader valve inner tube. The preventative liquid inside the inner tube instantly repairs punctures.

Technical Information

How to choose your inner tube

Check the information indicated on the sidewall of the tyre (diameter and width). For example, 27.5 x 2.00 means a tyre with a 27.5-inch diameter that is 2.00 inches wide.
On the tyre sidewall you will also find the dimensions in mm in ETRTO international units.
For example, 50-584 means that the tyre is 50mm wide with a 584mm internal diameter (approx. 27x2.00).

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 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.

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 prevent any puncture from pinching and to achieve the best performance, we recommend checking and, if necessary, pumping up your front tyre before each ride.

Weight:

350 g

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Composition / advice

Composition
Membrane
100.00% Rubber - Isobutylene Isoprene Rubber - Butyl
Stock advice Carry your inner tubes in a container to protect them from getting punctured (tool drum, original packaging…).
Restricted use : Not suitable for use on the sides of your tyres
instructions To get more information about this product, please read instructions

Our commitments

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

Product benefits

Compatibility 27.5" wheels and tyres with Presta valve (small valve). ETRTO 44/57 - 584
Puncture resistance The liquid in the inner tube seals small punctures (< 3mm).
Waterproof Optimised composition to ensure your inner tube has a good seal.

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