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InnerTubes

Started by nevjohnson · · Last activity · 6 posts · 1,076 views

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01 / Original postInnerTubesnevjohnson · 31 Jul 2006 02 / This pagePosts 1–6Page 1 of 1 · chronological order 03 / Latest replyPost #6RickF · 31 Jul 2006

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Original section
Cycling Equipment
Published
31 July 2006
Last activity
31 July 2006
Original author
nevjohnson
Posts
6
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Public discussion
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Topics
Drivetrain compatibilityPunctures and flats

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  1. Original post
    nevjohnson
    Archived post
    #1

    I was wondering if anyone could give me some advice on innertube sizes.

    Basically I want to put a puncture resistant innertube in my bike.

    However it seems that the exact size is no available for my bike.

    I have a 26" tri bike.

    Most of these tubes are for 700c wheels or for 26" mountan bike wheels

    So if the normal size of tube is say 26" 18/23

    Is it possible to inner another size SAFELY particularly if I am going to use high pressures in the region of say 140PSI. If so what would be the most compatible size?

    Thanks In Advance for your advice

    Regards

    Nev

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  2. RickF
    Archived post
    #2

    I have never seen a 26" x 18-23. Are you sure it is not a 650 x 18-23?

    performancebike.comprofile.cfm

    That is a pretty common size for small frame road and tri bikes.

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  3. gclark8
    Archived post
    #3

    Use a Conti Race 650 or Race 650 Lite.

    26", 650c, 559, 571 for the same width, 19-25mm, are all the same tube. For 28mm and above, use Tour 26.

    Look up Unitube: http://www.conti-online.com/generator/www/de/en/continental/bicycle/themes/tires/race/ultra_gatorskin/ultra_gatorskin_en.html

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  4. nevjohnson
    Archived post
    #4

    Unfortunately your replies did not exactly answer my question.

    Here is a link to the type of tube I wish to buy.

    As you can see it is for a 700c bike whereas I have a 650C bike with 23mm tyres.

    I want to know what size of tube I can use which is not the 100% ideal size

    given that the ideal size does not appear to exist for these type of tubes.

    But if you know different then I am all ears

    http://www.performancebike.com/shop/profile.cfm?SKU=1869&subcategory_ID=5411

    Thxs

    Nev

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  5. gclark8
    Archived post
    #5
    nevjohnson said:

    I have a 650C bike with 23mm tyres.

    I want to know what size of tube I can use which is not the 100% ideal size

    I have a Tri bike, four 650c wheels, all with 23mm tyres and the right tube is a Conti Race 650 or Race 650 Lite. What's the problem?

    The tubes you have posted a link to are 700c, are not made in 650cx23mm. Do not try MTB tubes in 650c race tyres, use light weight tubes.

    You may be better served with a Kevlar belted tyre, I use Conti Ultra Gator Skin for glass strewn paths and roads.

    Use the Conti link below, go the the Unitube page. 🙄

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  6. RickF
    Archived post
    #6
    nevjohnson said:

    Unfortunately your replies did not exactly answer my question.

    gclark8 and I both posted links to tubes that will work. 700C tubes will not work. 650 tubes are what you need, and there are plenty of 650x23 tubes available.

    Report

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