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  1. #1
    Cat 5 field stuffer bbeasley's Avatar
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    Is it okay to run a 28-32mm tube in 23mm and 25mm tires?

    Like the title reads. Thanks!

  2. #2
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    Yes, just make sure that none of the tube gets pinched between the rim and the tire bead when you install it. A wider tube makes this a bit more likely if you aren't careful.

  3. #3
    Senior Member Bill Kapaun's Avatar
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    I wouldn't. Too easy to pinch. You may also end up with creases that will result in a weak spot. Likely not a problem unless you have to patch & reinflate the tube. I think it opens the door for unexpected future problems. For $5, get the right size.
    Kind of depends on the degree too. Putting it in a 23mm tire would be much worse than a 25mm IMO.

  4. #4
    Lover of Old Chrome Moly Myosmith's Avatar
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    In an emergency, if you could get it in there without pinching it, you'd probably be OK. If it isn't an emergency, I'd get the properly sized tube.
    Lead, follow or get out of the way

  5. #5
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    Quote Originally Posted by Myosmith View Post
    In an emergency, if you could get it in there without pinching it, you'd probably be OK. If it isn't an emergency, I'd get the properly sized tube.
    +1

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