Tyre/inner tube problem

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partlydave
partlydave Posts: 19,646 Forumite
in Public transport & cycling
Ive changed the inner tubes twice on a childs bike, 20 inch tyres but within days they've gone down again. Any ideas why this is happening?
Thanks
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  • Browntoa
    Browntoa Posts: 49,305 Forumite
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    happened to me , was a thorn stuck in the tyre tread, found it by running my finger round the inside of the tyre
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  • Cycrow
    Cycrow Posts: 2,639 Forumite
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    turn the tyre inside out and check for anything that might be in there
  • armyknife
    armyknife Posts: 596 Forumite
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    Cycrow wrote: »
    turn the tyre inside out and check for anything that might be in there

    Yes, this should give you a much better view of what is responsible.

    But also check the rim tape to see if it's any good or adequately covering any rough edges on the spoke nipples or the wheel rim itself.
  • mvteng
    mvteng Posts: 514 Forumite
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    Maybe a faulty inner tube. Take the inner tube out, pump up with air, & find the leak.

    I had one where the rubber area around the valve hadnt bonded properly.

    If you find theres a hole, then check the inside of the tyre in the corresdonding position.
  • Strider590
    Strider590 Posts: 11,874 Forumite
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    Browntoa wrote: »
    happened to me , was a thorn stuck in the tyre tread, found it by running my finger round the inside of the tyre

    Very true, BUT be very careful, it could be a shard of glass or something much worse. Be safe....
    “I may not agree with you, but I will defend to the death your right to make an a** of yourself.”

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  • Kernel_Sanders
    Kernel_Sanders Posts: 3,617 Forumite
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    edited 22 August 2013 at 12:42AM
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    Strider590 wrote: »
    a shard of glass or something much worse. Be safe....
    Just to make things crystal clear, Strider's talking about the tip of a discarded syringe - the possibility of which had never occurred to me.
    OP did you know Poundland do 20" tubes (though it's hit and miss they'll have that size stocked when you visit)
  • Dave_the_Ginger_Cat
    Dave_the_Ginger_Cat Posts: 1,025 Forumite
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    It could be that the tyres themselves are worn, which is making them more susceptible to puncture when riding around. This happened on one of our MTB type adult bikes. They were worn and very malleable, which didn't afford the inner enough protection from the perils which exist in West London
    So many glitches, so little time...
  • Idiophreak
    Idiophreak Posts: 12,024 Forumite
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    Kernel_Sanders wrote: »
    Just to make things crystal clear, Strider's talking about the tip of a discarded syringe - the possibility of which had never occurred to me.
    Thanks for mentioning this - honestly, it had never occurred to me either - I'll definitely be taking more care in future!
  • Kernel_Sanders
    Kernel_Sanders Posts: 3,617 Forumite
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    Idiophreak wrote: »
    Thanks for mentioning this
    There's a button for that, but I'm sure Strider will be peeved if his original advice goes unrecognized :)
  • Idiophreak
    Idiophreak Posts: 12,024 Forumite
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    Kernel_Sanders wrote: »
    There's a button for that, but I'm sure Strider will be peeved if his original advice goes unrecognized :)

    My bad. I'm normally so good at pressing thanks :(
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