700x18/25 80mm Presta Valve Inner Tube

8311095

B'TWIN

MRP : ₹ 399

Made In : China


Made for 700 aero wheels requiring a long valve.
700x18 to 700x25 inner tube with Presta valve for 700 tyres and wheels (28 inches). Long valve for aero rims, which avoids having to use a valve extender.
Sizes guide


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Advantage
Compatibility700 wheels and tyres, 18 to 25 mm cross section
Waterproof80mm-long Presta/French valves made for aero rims.
Warranty2 Years
Information / Concept / Technology
Composition
Membrane : 100.0% Rubber - Synthetic

Test
Our inner tubes are tested continually by our professional teams, such as the U-19 PRO Racing Team and the MTB Racing Team.

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 that protects them from perforations (B'TWIN carry case, original packaging, etc.).

Reviews

Sort by:
Good Inner Tubes
Used for More than 2 years
Nice and durable inner tubes.
Size issue
Used for 1 week or less
My requirement was 22* 28 tube as tube doesn’t get thin over the period. And now riders are shofted from 23*700 size to 25*700size tyre. I did not get option in Decathlon so ordered 18*25 tube . I hope Decathlon will make it available for future with 80mm clincher.
80mm tube @ cheap rate
Used for 7 to 12 months
These tubes are durable and offer excellent value for money @ Rs 199. You can not find 80mm tubes at such price point. If you are facing issues then you have not installed it properly. always inflate the tube as instructed before installing it.
Long valve leads to more flat
Used for 2 to 8 weeks
The valve being too long on my bike Btwin fc 700 and no round ring like structure to fix the valve with the rim (the joke of insertion of valve us off center on the rim) the valve remains unsteady from inside. Thus meads to the puncture on the inner tube near the attachment of the valve. 48 mm should suffice
Response of the brand

Hello Dipan, 

Thank you for taking the time to give us your review. The 80mm valve is for aero rims. As you said you can go for the 48mm innertubes. For future reference here is the link (https://www.decathlon.in/p/8311101_700x25-32-inner-tube-presta.html#/4431-174-velo_valve

I remain availlable for more questions. 
Deepak
Dipan found this answer helpful
Not the best valve fit
Used for 1 week or less
After fitting the inner tube, replacing the tyre and starting to ride again, a noise started to emit from my front wheel which was not present before changing the tube. Every time I rode over the slightest surface bump the noise would happen. On closer inspection the issue was that the valve was too skinny for the opening on the wheel rim so was moving around and hitting the rim over every little bump. This could be solved with a threaded valve rather than the smooth finish to tighten the valve to the rim and mitigate the issue. Aside from that function seems fine. I replaced as soon as i got home as I couldn't live with the noise.
Response of the brand
Thanks for your review. The valve is particularly long and better suited to deep sectioned rims. If your rims are shallow and the hole is wider than 6.5mm then there may be a risk of some noise but it is the first feedback of this nature we've had with this item.
I guess that a 48mm valve may be a better bet.
Either way, if you're noisy then please feel free to return them to us and we will gladly exchange them for you as I can empathise with you relating to persistent and annoying sounds when road cycling.
Regards,
Peter Lazarus UK Cycling Market Manager DECATHLON
700x18/25 Inner Tube - 80 mm Presta Valve
Used for 2 to 8 weeks
I have had no problems with this tube at all. The only comment I would make is that I asked a member of the cycling team to advise which tube I needed for the bike I had just purchased. I was advised on this tube with an 80mm valve. On reflection, I clearly didn't need a valve of this length but its not a problem.
Terrible - 4flats in 2 rides!!
Used for 2 to 8 weeks
Currently used 4 inner tubes all of which have failed, 2 within 5 minutes of starting rides, the others have lasted 10 and 30 miles - newish tyres checked for debris and nothing. Will not be buying again and would certainly not recommend. Similar prices tubes available of a much higher quality
Response of the brand
I'm sorry to read that you had so many punctures within such a short space of time. As a fellow road cyclist I can really empathise.
There are so many factors which can cause punctures that it is hard to tell sometimes what seems to be the root cause but what is certain is that an object of some sort is penetrating through and piercing or pinching the tube. It may be worth checking the rim tape again or having a closer inspection inside the tyre to double check and make sure that a very small (and hard to spot) object is not causing the issue which may be embedded in the tyre.
If of course you're not confident with the remaining innertubes, then please do not hesitate to return them to us for a refund.
Regards,
Peter Lazarus UK Cycling Manager DECATHLON
Inner tubes
Used for 2 to 8 weeks
Not the lighteset but they do the job very well
Cheap
heavy
Retains pressure but .............
Used for 3 to 6 months
The lack of a thread on the valve stem means that on the road your average pump has nothing to screw onto, and unless you have a clamp mechanism, these inner tubes can be difficult to inflate sufficiently. Otherwise they are very good, but I probably won't buy again
Good pressure retention, tyres stay inflated
No thread on value
Great!!
Used for 2 to 8 weeks
My Husband love them
Fast and reliable
no

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