20" TUBES

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  • 20" TUBES
  • Premier Icon nickjb
    Subscriber

    There’s different widths, just get the one that matches your tyre. You can get away with a bit over or under if you need to. There’s a few different valves. You probably want schrader

    PTR
    Member

    Do you know if 20″ kids MTB is the same as 20 BMX, and 20″ Brompton style?

    Premier Icon nickjb
    Subscriber

    Some kids ones have woods valves not sure why. No reason not to ‘upgrade’ schrader. I suspect a brompton’s will be skinnier, aren’t they 16″ anyway? Generally a tubes a tube, especially at this end of the market.

    coatesy
    Member

    Not all 20″ tyres/tubes are the same 20″, will depend on if the width has a decimal point or a fraction in it’s measurement, as to what it’s ERTRO number(and thus fit’s fitting size)will be.A 20×1.5 will be impossible to fit if the original was 20×11/2 as far as tyres go, though you may be able to force a tube to fit.

    PTR
    Member

    Following on from yesterday’s question about repairing valves, more advice needed. Are all 20″ tires and tubes created equal? Will a 20″ BMX tube fit the wheels on a 20″ Islabike?

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