2018 CAAD12 widest tyre?
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  1. #1
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    2018 CAAD12 widest tyre?

    Is 28C the widest tyre that will fit on a 2018 CAAD12?

    I'm looking to change the wheels to something with a 21mm internal width and was hoping that a 28C tyre would fit, if not a 30 or 32.

  2. #2
    JSR
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    I rode with someone on a CAAD12 today, running 28s. I think he could have handled 30s. It was suggested 32 might fit, but it would be tight!

  3. #3
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    I had schwalbe ones 28mm on my rim brake caad12 . Wouldn’t have fitted anything wider. They are a wide enough tyre prob about 29mm in reality though . Anything wider would have rubbed

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    Thanks. I'll see how a 28C fits.

  5. #5
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    Don't think 28mm tires will fit with 21mm rims. It will be a very tight fit if they do. Your tires will probably rub your chain stays on climbs unless your spoke count is at least 28, preferably 32. A low spoke count wheel will flex more on climbs and definitely rub.

    I have a 2014 Cannondale Synapse Carbon with 28mm tires and 18mm rims. The chain stay clearance is only about 3mm on each side. I run a 32 spoke rear wheel. When I ran a lower spoke count wheel, I had rubbing on climbs.

    I believe the CAAD bikes have less clearance than the Synapses.
    "With bicycles in particular, you need to separate between what's merely true and what's important."-- DCGriz, RBR.

    “Statistics are like bikinis. What they reveal is suggestive, but what they conceal is vital.” -- Aaron Levenstein



  6. #6
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    Quote Originally Posted by Lombard View Post
    I run a 32 spoke rear wheel. When I ran a lower spoke count wheel, I had rubbing on climbs.
    Do you have this rubbing with the 28mm tyres?

    Asking because I'm trying to figure out the widest tyres I'll fit on my 2014 synapse carbon (running Shimano RS11 wheels) - sorry for the thread-jack!

  7. #7
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    Quote Originally Posted by whostolemyname? View Post
    Do you have this rubbing with the 28mm tyres?

    Asking because I'm trying to figure out the widest tyres I'll fit on my 2014 synapse carbon (running Shimano RS11 wheels) - sorry for the thread-jack!
    The Shimano RS11 wheels have a very low spoke count - 16 front/20 rear. Those came stock on my Synapse and yes, I got some rub on climbs with the 28mm tires. When I built up wheels with a higher rear wheel spoke count, that went away.

    Lower spoke count wheels will flex more. There is no way around that.
    "With bicycles in particular, you need to separate between what's merely true and what's important."-- DCGriz, RBR.

    “Statistics are like bikinis. What they reveal is suggestive, but what they conceal is vital.” -- Aaron Levenstein



  8. #8
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    Quote Originally Posted by Lombard View Post
    The Shimano RS11 wheels have a very low spoke count - 16 front/20 rear. Those came stock on my Synapse and yes, I got some rub on climbs with the 28mm tires. When I built up wheels with a higher rear wheel spoke count, that went away.

    Lower spoke count wheels will flex more. There is no way around that.
    Thanks very much. Sounds like I should stick with 25s.

    Pity, I am contemplating a gravel event and was thinking of running the synapse with some meatier rubber.

  9. #9
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    Quote Originally Posted by whostolemyname? View Post
    Thanks very much. Sounds like I should stick with 25s.
    Or get higher spoke count wheels.
    "With bicycles in particular, you need to separate between what's merely true and what's important."-- DCGriz, RBR.

    “Statistics are like bikinis. What they reveal is suggestive, but what they conceal is vital.” -- Aaron Levenstein



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