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26" x 1" / 650c Inner Tube Presta (also 25x1") - From £2.80


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Skinny MTB 26x1" / 650 x 23c Inner Tube Presta Valve

    • This size is most often used on mountain bikes with skinny commuter or road tyres fitted, 650c road/time trial bikes and some racing wheelchairs
    • Presta valve type (AKA High Pressure Valve or French Valve).
    • 42mm length valve suitable for most standard depth rims up to 30mm.
    • Threaded valve stem with security ring prevents rattling on the rim and makes pump attachment easier.
    • Reinforced dual thickness tube/valve interface to prevent punctures.
    • Light weight butyl rubber construction.
    • Weighs 100g.

These innertubes are compatible with the following ETRTO tire sizes:


Metric Sizes

650 x 18c = ETRTO 18-571
650 x 23c = ETRTO 23-571
650 x 25c = ETRTO 25-571

Imperial Sizes

25" x 1.00" = ETRTO 25-559
26" x 1.00" = ETRTO 25-559
26" x 1.10" = ETRTO 28-559


Click to find out more about ETRTO tyre sizing and whether this is the right tube for your bike. 

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All inner tubes are sourced from experienced manufacturers that supply some of the best known premium tyre and cycling brands.

We cut out the middlemen to bring you the same product and save your hard earned cash. Find out how our tubes can be offered at such great prices click here.

All our tubes are put through rigourous tests - click to learn more 


26" x 1.00" = ETRTO 25-559


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