700x25/32 Inner Tube - Presta

8311101

B'TWIN

Made for 700 tyres and wheels (road bike).
700x25 to 700x32 inner tube with Presta valve for 700 (28-inch) tyres and wheels. 48 mm valve.
Sizes guide

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Advantage
Compatibility700x25 to 700x32 tyres and 700 (28 inch) wheels.
WaterproofHigh quality valve that retains pressure.
Warranty2 Years
Information / Concept / Technology
Composition
Main fabric : 100.0% Rubber - Synthetic

Product test
To guarantee optimal quality, 100% of our inner tubes are inflated for a period of 8 hours.

Stockage tips
Carry your inner tubes in a container to protect them from getting punctured (tool drum, original packaging, etc.).

Maintenance tips
Wheel size is printed on the sidewall of your tyre. Always carry a spare inner tube and a pump.

Reviews

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Does the job
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Used for 2 to 8 weeks
700 inner tube seems ok. Went through 3 29 inch inner tubes though. All on the seem. To. Cheap to take them back and didn't want to have to prove it.
ok
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ok
It does the job but...
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Used for 2 to 8 weeks
This inner tube has turned out to be perfectly fine for it's purpose. My only objection is the valve stem has no thread. So I can't make it secure with a "nut". Being an old fud it was not good enough for me. It is however my emergency inner tube. Just in case.
It's an innertube
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Used for 1 week or less
Impossible to comment until it punctures on durability etc
Poor quality valves are dangerous
Used for 3 to 6 months
Extremely disappointing to have bought these inner tubes with defective valves. Extremely dangerous too, as the time at which the valves failed was unpredictable. I had expected much better quality control from Decathlon.
Response of the brand
Thank you for your comments.
Could you kindly reply to me with some more information regarding the valves as I wish to forward them on to the product manager at b'twin.
I look forward to hear from you.
Regards.
Peter Lazarus UK Cycling Market Manager DECATHLON
Says what it is
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Used for 1 week or less
Excellent value for money
700x25/32 inner tube - presta
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Used for 1 week or less
does exactly what its supposed to
Great service friendly staff
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Where review is marked as "Verified purchase" confirmed by Decathlon, this means that we could verify that the client who filed this opinion has purchased the product from us.

We can confirm purchases for the reviews expressed on a request by e-mail after purchase or when the customer has this review from his personal space.

If review is not marked as "Verified purchase", this does not mean that the author's review has no experience with the product may have given his review directly on the site without unique identification, or the product has been offered or paid.

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Used for More than 1 year
Great prices and knowledgeable staff
Faulty Inner Tube
Used for 1 week or less
Purchased 3 of these tubes to go with my RANDONNEUR ROAD BIKE TYRE - 700X28 without reading the product reviews. After fixing, I made a short trip less than a mile, on returning the front tube popped. Tried inflating it but wouldn't retain air so I replaced the tube, few minutes later it popped again right at home, without anyone on the bike. Highly disappointed with purchase.
2 punctures within 45 minutes.
Response of the brand
Dear Sir,
I'm sorry to read that you encountered a puncture so soon.  Going by what you have said,  it sounds as if there may be an object stuck in your tyre causing the inner tube to deflate. It my be worth checking to make sure that the tyre hasn't pinched the innertube. The most common cause of punctures is rarely a faulty innertube.
One innertube popping is bad luck, but having two go so soon would suggest that other factors rather than a faulty innertube is at play.
Regards,
Peter Lazarus UK Cycling Market Manager DECATHLON
Disappointed with defects
Used for 1 week or less
I bought 3 in order to have a spare as well. I have had 2 punctures on front and back wheels at the same spot near the valve. On reflating the tubes to find the leak I notice that they are all mis-shapen and don't inflate evenly on each side of the valve so looks like it rubs on the tyre wall at this bulge. Next day, a brand new(1st ride!) tube blew out at the valve within one mile of riding and I couldn't pump it up at all to get back home. I ride with Schwalbe Marathon plus tyres so after checking the inside of the tyres for possible thorns/nails (none found) I know it is the tubes at fault. Maybe just a bad batch but looking at some of the other comments it seems it has happened to them as well. I'll be returning them as I have no confidence I can finish my commute on time. Shame as I like the value and bought a lot of decathlon cycling products.
Price
Failed to stay inflated despite being new
Response of the brand
Hi,

Thank you for the review of this product. To have all 3 have a similar problem, this does sound like a problem with this batch of products. As you have said you are more than welcome to return the products for a full refund or exchange. I will make the product manager aware of this issue.

Rob Basnett b'Twin Product Expert DECATHLON