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  1. #1
    Pedallin' Pete
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    Use rim with 700 X 23 or 700 X 35?

    Does anyone know if all 700C wheels can accommodate 700 X 23 or 700 X 35 tires?
    If you've got a wheel that works well with a 700 X 23 tire, what's the biggest tire size you can choose?

  2. #2
    RoadBikeReview Member
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    Quote Originally Posted by Jayzonk
    Does anyone know if all 700C wheels can accommodate 700 X 23 or 700 X 35 tires?
    If you've got a wheel that works well with a 700 X 23 tire, what's the biggest tire size you can choose?
    It kind of depends on the width of the rim. They can vary from 18mm to over 25mm. I do know that the head mechanic for Rivendell emailed me when I had a similar question. He said he was able to use 19.5 mm wide Mavic Open Pro rims with their Jack Brown Tires which are 33.3 mm wide. I suspect this is about the limit. For 35mm wide tires, you'd probably want 22-25mm wide rims.
    Unless you have a touring or cyclocross frame, a bigger issue might be whether fully inflated 30-35mm wide tires would rub against the seat stays or chain stays.

  3. #3
    Pedallin' Pete
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    I have a cross frame, so fitting the tire in won't be a problem. I think I'm going to drop down to a 28 tube and tire because the rim is are only about 15mm across, I think. I'll double check. Maybe that's too narrow for even 28?

  4. #4
    Larry Lackapants
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    I've got 19-20 mm rims, 100% nothing special, stock etc. and was able to accomodate 28mm tires/take them on a ride without any issues.

    Edit: Sorry I didn't read the original post careful enough. I found this chart on sheldon brown's site
    http://www.sheldonbrown.com/tire-sizing.html

    the part about "Width Considerations"
    It says you can use 35 mm tires, presuming you have an interior rim width of 17 mm
    Last edited by brblue; 05-30-2009 at 02:40 PM.
    "There are only 3 motivating factors that change human behavior; pain, fear or ambition. Which button do you want to press?" Steve Hogg

  5. #5
    RoadBikeReview Member
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    Good call

    Quote Originally Posted by brblue
    I've got 19-20 mm rims, 100% nothing special, stock etc. and was able to accomodate 28mm tires/take them on a ride without any issues.

    Edit: Sorry I didn't read the original post careful enough. I found this chart on sheldon brown's site
    http://www.sheldonbrown.com/tire-sizing.html

    the part about "Width Considerations"
    It says you can use 35 mm tires, presuming you have an interior rim width of 17 mm
    I've never seen that table before. Figures Sheldon would have it.

  6. #6
    RoadBikeReview Member
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    Rim width is measured on the inside. Some replies on this thread appear to be the external measurement.

    In general, you can go at least double the internal width. So a 14mm rim will allow at least a 28mm tyre maybe even 32mm.

  7. #7
    Pedallin' Pete
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    I checked Mavic's site. They recommend anything from 19 to 28mm. Maybe they are for clinchers only? How do I tell?

  8. #8
    Larry Lackapants
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    Quote Originally Posted by Jayzonk
    I checked Mavic's site. They recommend anything from 19 to 28mm. Maybe they are for clinchers only? How do I tell?
    Your initial question was for tubulars?
    "There are only 3 motivating factors that change human behavior; pain, fear or ambition. Which button do you want to press?" Steve Hogg

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