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  1. #1
    Member ecpike's Avatar
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    700c tire question

    Hey everyone, I was wondering if I could put a 700x23 tire on a rim originally had a 700x35 tire. What do I need to measure if it's questionable? This is the first time I've dealt with this rim size so I'm in the dark, any help would be appreciated. Thanks, Eric
    ~1995 GT Timberline (Rigid)
    2004 Jamis Dakar Sport

  2. #2
    Senior Member
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    Measure the inside width between the walls of the rim. It should be OK if it is 17 mm wide. If it is 19 mm, the narowest tire you should use is 25 mm. http://sheldonbrown.com/tire-sizing.html

  3. #3
    Banned.
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    Fort Wayne, Indiana
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    Quote Originally Posted by ecpike
    Hey everyone, I was wondering if I could put a 700x23 tire on a rim originally had a 700x35 tire. What do I need to measure if it's questionable? This is the first time I've dealt with this rim size so I'm in the dark, any help would be appreciated. Thanks, Eric
    The answer is usually NO. Because the manufacture usually puts a middle of the road size tire on the rim from the factory, in other words you can go 2 sizes above and 2 below safely. If you look at the Sheldon Brown site the above poster mentioned you will see that; not sure why the above poster answered yes when if he had read the site he would should have said no!

  4. #4
    Lanterne Rouge
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    I had 700x35s on mine, and the smallest I could go was 700x28s. You'd be surprised at how quick and comfortable they feel as a change. Try a smaller step first... you might not need to go down to 23s.

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