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  1. #1
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    Question for confused new purchaser

    Hi All,

    Could someone with knowledge help me

    I have just changed my MTB to a Hybrid and my wheel size has changed from a 26" wheel to a 700c wheel.

    On the tyre the size shows 700x42c but the sales assistant sold me 700 x 35-40c inner tubes

    Will these fit or is he pulling the wool over my eyes ??

    Thanks in advance for your

    Conkers

  2. #2
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    Just re checked and the tyres are in fact 700 x 45c

  3. #3
    Mixte Power! Arrowana's Avatar
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    I'd say that is close enough it will work.

  4. #4
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    Quote Originally Posted by Arrowana View Post
    I'd say that is close enough it will work.
    Even though they are 45's running and running with a 35-40 c tube ??

    Would I not be more prone to punctures etc ??

    Thanks.

  5. #5
    Mixte Power! Arrowana's Avatar
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    I suppose the tube stretching to fill a 700x45 tire will make it thinner, and ever so slightly more likely to be punctured, but the difference is negligible. I'm not saying you can throw a 700x23 tube in a 700x50 tire, but the tube and tire do not have to be the exact same width to work.

  6. #6
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    Thanks for the help.

    I will keep the tubes as there don't seem to be too much risk

    Thanks for the help

  7. #7
    For The Fun of It
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    That's an inconsequential difference. Go for it.

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