700x18/25 Inner Tube - Presta 48mm

8311082

B'TWIN

Made for 700 aero wheels requiring a long valve.
One 700x18/25 inner tube with long, 48 mm Presta valve for profiled rims. Saves you from having to use a valve extension.

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Advantage
Compatibility700 x 18 to 700 x 25 tyres and 700 wheels (28 inch).
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
Transport your inner tubes in a container that protects them from perforations (b'twin carry case, original packaging, etc.).

Maintenance tips
To find out the size of your wheels, check the information printed on the sidewall of the tyre. Always carry a spare inner tube and a pump.

Reviews

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good value for price
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Used for 1 week or less
good tubes for road bikes
Great spare to carry
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Used for 3 to 6 months
A must as a spare to carry on you when you are out on a long ride
Well priced
Inner Tube
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Used for 2 to 8 weeks
This tube seems fine, I have tried the Decathlon cheaper ones and found them to b every prone to punctures.
No comment
Would have prefered a locking nut at the valve.
Bargain
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Used for 2 to 8 weeks
These inner tubes are good quality, based on previous experience, and the multi buy makes them an amazing bargain
Value
Good value
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Good value
poor
Used for 1 week or less
I bought two. I took my time and took care fitting. The first one had a flaw in the rubber which when pumped up inside the tyre left a weak area. Solid all around apart from the weak area. Took it off and tried again thinking it was a twist or something. It wasn't. The second tube i inflated before i did anything else and the tube was deformed due to weak and inconsistent rubber. I didn't expect much for the price but i didn't expect to have to throw them into the bin just yet.
cheap
bought two, both faulty
Response of the brand
Dear sir,
Thank you for your feedback. If an innertube is inflated outside of the tyre, it is not necessarily abnormal that it will deform. Inside the the tyre however it is constrained and will not affect your ride. You needn't worry too much about this.
If you are not confident with this product, please feel free to return them to us for a refund or an exchange.
Regards,
Peter Lazarus UK Cycling Market Manager DECATHLON
Bulk (8) 700C inner tubes
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Used for 2 to 8 weeks
As with any bulk purchase, you need to get it right. I've always favoured un-threaded valve bodies, believing the thread and its knurled lock nut to be redundant and a possible cause of tube to valve joint failure.
Valve length needs to be adequate and unless you use very deep section rims these easily meet most requirements. (I run several bikes with a variety of wheel sets in use)
Tubes should be stored in a dark and dry place, thus ensuring, even after a year or so they remain in good condition.
Excellent value, sensible valve length.
Nothing, just what I needed.
Excellent product for the price
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Used for 2 to 8 weeks
Does excatly whats required for a reasonable price
Quality vs price
none
Pretty good
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Used for 2 to 8 weeks
If there are threads around the valve so a nut can be screwed on, then it'd be a lot easier to pump up a flat tyre.
Cheap
No threads around the valve
Good tube
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Used for 3 to 6 months
Compact packaging, easy to transport, easy to use, good value, no problems fitting when I've had a puncture.
Compact
None

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