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  1. #1
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    Threadless tubes online?

    I have a pair of Conti tubes with 80mm threadless stems, and I'm having trouble finding replacements locally. Does anyone online sell them? Brand isn't terribly important, but I'm happy to pay for quality.

    TIA!

  2. #2
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    I found these with 60mm threadless presta stems, for $4 each.

    Avenir Regular Smooth PRESTA Super-Long Valve Tube, 700c x 18-23c

    You might need some valve extenders if you need stems that long. Then you can get tubes anywhere. Niagara has them. I like them because they carry budget stuff, and all kinds of hard-to-find little bits and pieces for bikes.

  3. #3
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    Quote Originally Posted by camping biker View Post
    I found these with 60mm threadless presta stems, for $4 each.

    Avenir Regular Smooth PRESTA Super-Long Valve Tube, 700c x 18-23c

    You might need some valve extenders if you need stems that long. Then you can get tubes anywhere. Niagara has them. I like them because they carry budget stuff, and all kinds of hard-to-find little bits and pieces for bikes.
    Thanks a bunch! I'm going to check them out.

  4. #4
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    Bike tires direct has many different size stems available, here is one option in 80mm. You select the step length when you choose size.

    Kenda Standard Weight 700c Tube at BikeTiresDirect
    2009 Specialized S-Works Carbon Tricoss
    2010 Cannondale CAAD9 4
    Gary Fisher Tassahara

  5. #5
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    Just use a wrap or two of threadseal tape (plumbers tape) when you install the extenders, or don't worry about it if they have rubber o-rings. The Zipp ones are about $15 a pair. Then you can use bulk tubes.

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