Product Colors and Sizes




DECATHLON
27.5x2.5-3 Bike Inner Tube - Presta
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Sale price: 19 SAR
Read all 392 review(s) Reviews)
8405270
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This inner tube is suitable for 27.5" diameter tyres with a cross-section ranging from 2.50 to 3.00 with a 48mm Presta valve.
27.5x2.50 to 27.5x3.00 inner tube with Presta valve for 27.5-inch tyres.
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Product Features

Additional Product informations
Composition
Membrane
- 10% Brass
- 90% Isobutylene Butyl Isoprene Rubber
To remove the inner tube, you will need the following tools:
Remove the old inner tube using B\'Twin tyre levers
Find more information via this link:
https://conseilsport.decathlon.fr/comment-changer-sa-chambre-a-air
Checks to make before installing an inner tube:
To avoid repeated punctures, carefully inspect the tyre, rim and wheel rim each time you change tyres.
Weight:
280 g
Pro advice:
Tyre pressure must be adjusted before each ride to prevent punctures caused by pinching.
Choosing an inner tube:
To maintain your bike properly, it is important to know the exact dimensions of your tyres.This information can be found on the sidewall of the tyre (diameter and section).For example, 27.5x2.50 means that the tyre is 27.5 inches in diameter and 2.50 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 50 mm wide with an inner diameter of 584 mm (27.5 x 2.00).
How to change an inner tube:
Slightly inflate the inner tube before installation.. Insert the valve into the opening provided, place the inner tube in the tyre, push it firmly into the rim and avoid pinching.
Inflating a tyre:
Inflate to the recommended pressure, in bar or PSI.Check that the tyre does not come loose during the process.
Fitting a 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.
Product Reviews


The valve of this tube doesn't work with normal air pumps. This was not made clear! What's worse is that this was to replace an inner tube on a decathlon bike, how is not the same as the original? The tube is now rubbish and is now in the bin. I had to go to halfords to get a normal replacement inner tube. I only assume this valve is to force you to also buy a compatible decathlon pump. I used to like Decathlon but this has really put me off the brand.
Be aware of 27.5 +, as doesn't fit a standard 27inch mountain bike. You need tge 27inch (without the +)
Nicely fitting on my wheel
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27.5 x 2.50/3.00 48 mm Presta Valve Inner Tube
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