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Btwin 27.5 "x 1.9/2.5" Presta Inner Tube 48 mm
27.5 x 1.90 to 27.5 x 2.50 Presta valve inner tube for 27.5" tires.
Free shipping over $35
Free pickup
San Francisco, 735 Market St. Options
Select an available color and size to see options.
Product Features
Compatibility
27.5" tires, with a cross-section from 1.90 to 2.50. ETRTO 47/64 - 584
Waterproof
Optimized composition to ensure your inner tube has a good seal.
Product Customer Reviews
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Tube punctured within7 days
Perfect and at a great price !
Good value tube for MTB
These are a touch thinner than my usual inner tubes, but for the price, you can't complain. They do the job and you can't quibble with the price.
Got a flat and needed a new inner tube. Such a great price I bought a couple just to be on the safe side.!
Cheap but very much not cheerful. Replacing a punctured tube with this, only to find out it's already leaking air. Found the hole and repaired it with a patch and still leaks. In the end I patched up the original tube and gave up on this one. Usually like decathlon stuff but will not buy inner tubes from there again.
Regards,
Peter Lazarus, National Cycling Manager, DECATHLON
Good budget tube but my local store only has 48 mm valve stems, do they have anything shorter?
Always carried, seldom used but worth having with you. Can't go wrong at the price
What can I say about this. Got them on my backpack. Still there, so they don't run away by them self! Not to heavy to carry around. Hope I wont need to use them at all. Not too expensive, so it's fine if I don't use them.
Quality and VFM together.
Thank you so much for sharing your wonderful experience with us. These feedbacks really help us and the users to make a choice. We really appreciate you taking out time to review and recommend the product.
Vikash
Dear Team, I'm using RR560 and Stock Tube was Kenda for my 27.5"x2.10" wheel. I took additional Presta valve tube for backup and once I used this spare tube, I found Presta Valve is not having any ring to tight it with rim so after installation, it was in loose - movable condition. the only disadvantage of this without tightening ring on valve, when I used mini hand pump, my two inner tubes, till date got damaged as due to multiple stroke while pumping, tube got damaged, where valve was attached. In your product picture, you are displaying valve with that ring but in the packet, it's plain.
Product is good been using this product just buying for spare for my ride on the weekend
Bought 4 of those and all of them failed during or shortly after installation without me being able to do a single km on my bike.
Hi Bernd,
I'm really sorry to hear about your dissatisfactory experience. Certainly you should not be experiencing any problems with the tube upon proper installation.
There are 2 quite common causes when tubes burst upon installation:
Tyre bead not seated fully
This is more common in wire bead tyres, when the bead is not seated fully, the tube can 'peek' out of that gap and burst during installation. Here's a great video that shows how it can happen. A clue is to look at how the tube burst - these kind of bursts tend to be quite big and the tube would be shredded near the point of explosion, just like in the video link above.
Rim tape slipped, twisted or damaged
On your bicycle rim bed (on the inside) there are holes to allow the spoke & nipple to be inserted during the construction of the wheel. These holes are normally covered with a rim strip to prevent the tube from inflating into those holes and bursting. Even if the rim is single-wall, the rim strips still protect the tube from the sharp edges of the spoke/nipple. It is possible for the rim tape to slip or be damaged, exposing the hole (double-wall rim) or spoke/nipple (single-wall rim). When tubes burst this way, the puncture is usually relatively small and on the section of tube facing inside - here's a picture showing how it might look like.
Otherwise, we are happy to refund or exchange the tube for a new one, for which you may contact our User Happiness Centre in Singapore Lab here :)
Jason
Jason
Digital Sport Leader
Cycling & Roller Sports
Just an ordinary spare part nothing outstanding to comment. It just works
This inner tubing is thin and it burst during installation. So dangerous. Although i do not expect it to be the best quality upon this price but i do not expect it 'explode' is such a way. Dangerous item.
Hi Jesser,
I'm really sorry to hear about your dissatisfactory experience. Certainly you should not be experiencing any problems with the tube upon proper installation.
There are 2 quite common causes when tubes burst upon installation:
Tyre bead not seated fully
This is more common in wire bead tyres, when the bead is not seated fully, the tube can 'peek' out of that gap and burst during installation. Here's a great video that shows how it can happen. A clue is to look at how the tube burst - these kind of bursts tend to be quite big and the tube would be shredded near the point of explosion, just like in the video link above.
Rim tape slipped, twisted or damaged
On your bicycle rim bed (on the inside) there are holes to allow the spoke & nipple to be inserted during the construction of the wheel. These holes are normally covered with a rim strip to prevent the tube from inflating into those holes and bursting. Even if the rim is single-wall, the rim strips still protect the tube from the sharp edges of the spoke/nipple. It is possible for the rim tape to slip or be damaged, exposing the hole (double-wall rim) or spoke/nipple (single-wall rim). When tubes burst this way, the puncture is usually relatively small and on the section of tube facing inside - here's a picture showing how it might look like.
Otherwise, we are happy to refund or exchange the tube for a new one, for which you may contact our User Happiness Centre in Singapore Lab here :)
Jason
Digital Sport Leader
Cycling & Roller Sports
Additional Product Information
Composition
Tube
- 100% Rubber - Synthetic
How to choose your inner tube
Check the information indicated on the sidewall of the tire (diameter and width). For example, 27.5 x 2.10 means that the tire is 27.5 inches in diameter and 2.10 inches wide. On the tire sidewall, you will also find the dimensions in mm in ETRTO international units. For example, 50-584 means a tire that is 50 mm wide and has an inner diameter of 584 mm (approx. 27.5 x 2.00).
Removing an inner tube
Remove the old inner tube using B'Twin tire levers
Checks to carry out before installing an inner tube
Check the condition of your tire and replace it if necessary. Make sure no objects are lodged in the tire. Check the condition of your tire 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 tire so that it fits inside the rim. Take care not to pinch the inner tube when fitting.
Mounting the tire
Start mounting the tire at the valve. Finish mounting the tire at the valve to avoid pinching the inner tube. Never mount your tire with a screwdriver or a tire lever, as you risk pinching and puncturing the inner tube.
Inflating the tire
Inflate your tire carefully, to the pressure recommended by the manufacturer (visible on the tire sidewall in PSI or bars, 1 bar = 14.51 PSI). Regularly check that your tire is in the correct position as you inflate it.
Tip from the pros
To avoid punctures from pinching and for best tire performance, we recommend that you check your tires and inflate them to the suggested pressure before every ride.
Weight:
8.5 oz
Origin
Imported
Warning - california prop 65
Product testing
To guarantee optimal quality, 100% of our inner tubes are inflated for a period of 8 hours.
Storage instructions
Carry your inner tubes in a container to protect them from getting punctured (tool drum, original packaging…).
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Btwin 27.5 "x 1.9/2.5" Presta Inner Tube 48 mm
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Heavy products return policy
If you return a product you will receive a refund for the purchase price plus any applicable sales taxes, less any non-refundable charges.
Decathlon will cover all shipping costs associated with your return except for items excluded from our return policy such as bikes, basketball hoops, snowboards, surfboards, tents, and other larger / heavier items.
Return costs for heavy products:
| Weight Thresholds | Shipping within California | Shipping outside of California |
|---|---|---|
| > 9 lbs | $20.00 | $25.00 |
| > 30 lbs | $50.00 | $65.00 |
| > 100 lbs | $100.00 | $125.00 |
| > 200 lbs | $200.00 | $230.00 |
If you return a product at any of our store locations, we will gladly help you find the best alternative product or refund you on the spot.
