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  1. #1
    mtbr member
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    Inner Tube Quality

    Being new to mountain biking I decided to learn how to change a flat and carry proper tools. Purchased Q tube thorn resistant inner tubes but they are VERY heavy so i'm returning them.

    In Dick's Sporting Goods today picked up a couple of Avenir tubes at $6.99 each.

    Got home and decided to pump them up to assure they were not defective.

    When i inflate they each have an area where the rubber bulges. Not a small bubble but the entire tube for an area about 5-6 long is bulged. No leaks after 10 minutes just not uniform in shape.

    Is this normal? Will the tube regain proper shape when inside a tire and inflated?

    If these are not good tubes what do you all recommend in a tube?

    Thanks.

  2. #2
    Nouveau Retrogrouch SuperModerator
    Reputation: shiggy's Avatar
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    Quote Originally Posted by drjay9051 View Post
    Being new to mountain biking I decided to learn how to change a flat and carry proper tools. Purchased Q tube thorn resistant inner tubes but they are VERY heavy so i'm returning them.

    In Dick's Sporting Goods today picked up a couple of Avenir tubes at $6.99 each.

    Got home and decided to pump them up to assure they were not defective.

    When i inflate they each have an area where the rubber bulges. Not a small bubble but the entire tube for an area about 5-6 long is bulged. No leaks after 10 minutes just not uniform in shape.

    Is this normal? Will the tube regain proper shape when inside a tire and inflated?

    If these are not good tubes what do you all recommend in a tube?

    Thanks.
    Entirely normal. The tube just enlarges to fit the tire.
    mtbtires.com
    The trouble with common sense is it is no longer common

  3. #3
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    Quote Originally Posted by shiggy View Post
    Entirely normal. The tube just enlarges to fit the tire.
    Thanks for the help, Shiggy. Not a whole lot of reviews on tubes !!

  4. #4
    mtbr member
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    Before I went tubeless, I personally always had very good success with the Continental MTB Light Tubes. Usually around $9 each, reasonably light at 130 grams and made for tires up to 2.5".

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