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  1. #1
    Senior Member
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    tube size question

    Howdy- i have a tube that says 1.95, but the tire says 1.90. can i use the tube, or does it have to be exact.

    thanx

    GQ

  2. #2
    Senior Member Stubacca's Avatar
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    Aug 2003
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    Oztraylya
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    If the tube fits, inflate it.

    Close enough to be a non issue.

  3. #3
    The Red Lantern Rev.Chuck's Avatar
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    You would be amazed at how "off" the tube size can be and still work. A 1.25 will work in a 2.25 tire in a pinch and the reverse is true if the tube has not been inflated before.
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  4. #4
    Banned.
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    Feb 2003
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    Fort Wayne, Indiana
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    84 Trek 660 Suntour Superbe; 87 Giant Rincon Shimano XT; 07 Mercian Vincitore Campy Veloce
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    My mtb is now hooked to a trainer, I took off the 2.25 knobby and replaced it with a 1.25 smooth tire and reused the old tube with no problems so even in the reverse it's not an issue. In fact when we use to race a lot of guys used the narrowest tube they could get because it was a tad lighter than the "tube that fits the tire" was.

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