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  1. #1
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    650b/29er can you used the same innertube?

    I'm sorry if this had been asked before but....

    Can you use a 29er innertube on a 650b wheel? I was thinking if you had a bike with 650b rear and 29er front wheels then could you get away with carrying only one size of spare innertube on a ride?

  2. #2
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    I use ultralite performance 26" tubes in 29ers , ever pump a light 26" tube to check for a pinhole? It has no problem getting big. Added advantage is cheaper and lighter. 130g vs. 220g .
    Last edited by Fred Smedley; 03-23-2013 at 07:00 AM.

  3. #3
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    I use 26" tubes on my 29er as well. You should have no issues.
    2013 SC Tallboy LTc
    2011 SC Tallboy C
    2010 Jackal
    2012 Heckler

  4. #4
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    I imagine its better to put a 26" or 650b tube in a 29" tire, than stuffing a 29 tube into a smaller wheel. Id bring along either a 26" or 650b tube, to work for either wheel.
    '14 rocky mountain altitude, rally edition
    '11 transition blindside

  5. #5
    Digital Toast
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    I also use 26" tubes in my 650b. Even with 2.3 tires it's more then enough.

  6. #6
    Cleavage Of The Tetons
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    What are these 'tubes' that you ancient ones speak of?
    "We LOVE cows! They make trails for us.....

    And then we eat them."

  7. #7
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    Tubes! very ancient history,sometimes I come across their fossils alongside trails.

  8. #8
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    Well thanks gang! This is most surprising and welcome news. For the last year I've been conscientiously swapping the spare tubes in my camelbak - depending on whether i'm riding the Flux or the El-Mariachi. I've got tubeless setup on the Salsa at the moment but next time I have to remove the a tyre, I'll try one of my 26" tubes. Does anyone know if the Specialized 1.75-2.25 tubes will work like this?

    Blimey - I've just realised I don't own a 650b bike yet - I'm gonna kicked of this board I'm I don't get one soon - any ideas LOL

  9. #9
    I'm gonna have to kill ya
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    I run 29" tubes in my 36" Mountain Unicycle so I am sure you will be fine

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