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  1. #1
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    Cyclocross Rim Width

    What is a good rim width for a cyclocross rim?

    I am thinking of getting a narrow cross country tims and build up a wheel myself.

    21.4 outer width and hor to horn 16.3mm.

    Do you think this would be suitable for a cyclocross wheels set?

  2. #2
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    19-21mm inner width is preferred.

    You can get by with narrower or wider rims too.

    You may get some casing flex on 16mm rims at lower pressures.
    Raised in a Chicken-Coop by Chickens

  3. #3
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    Based on my experiences racing with a set of Enve Twenty9 XC tubulars (25mm wide) and training rides on a set of Chinese XC carbon clinchers (19.5mm inner diamter), I agree that 19mm should be the minimum inner width.

  4. #4
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    Quote Originally Posted by ms6073 View Post
    Based on my experiences racing with a set of Enve Twenty9 XC tubulars (25mm wide) and training rides on a set of Chinese XC carbon clinchers (19.5mm inner diamter), I agree that 19mm should be the minimum inner width.
    Those Enves are 18mm inner width right?
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  5. #5
    jrm
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    Im rolling on A23's

    absolutely love the additional widths affect on handling.
    Wreck the malls with cows on Harleys

  6. #6
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    Quote Originally Posted by Sheepo5669 View Post
    Those Enves are 18mm inner width right?
    The Yes, the Twenty9 XC tubeless rims are 18mm Internal and 24mm external width.

  7. #7
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    Quote Originally Posted by Wheeliewheel View Post
    What is a good rim width for a cyclocross rim?

    I am thinking of getting a narrow cross country tims and build up a wheel myself.

    21.4 outer width and hor to horn 16.3mm.

    Do you think this would be suitable for a cyclocross wheels set?
    lol It depends.

    What frame/fork? What do you weigh? Did you have a preference for spoke selection (bladed)? We need to know who/what we're dealing with.

    I put my Kenda SB8 700x35s on a Salsa Semi 29er rim. Dude that tire was friggin HUGE! ... for a 35.
    I ..... need ..... DIRT!!!!!

    ... and cookies.

  8. #8
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    Most cyclocross racers use road rims. That means about 19-20mm outer width, and 13-14mm inner width. For example, a classic road rim, the Mavic Open Pro is 19.5mm outer and 13.8mm inner. Those are the rims I use on my 'cross bike. I have also used 'cross tires on Salsa Deldago Cross rims, which was fine. They are 22.5mm outer, and 18mm inner.

  9. #9
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    Hmm, I'm sorta in the same boat. I can get Easton carbon Haven's for a good price...but my concerns are that the Havens are to wide for 700x35 tires...thoughts?

  10. #10
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    Take the Easton!
    I ride my Crest tubeless with 700x32 tyres. Inner wide is 21 mm - with the new BST itīs like 22 mm on traditionel rims.The wider rim makes the tyre more stable by low pressure.

  11. #11
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    Quote Originally Posted by franza View Post
    Take the Easton!
    I ride my Crest tubeless with 700x32 tyres. Inner wide is 21 mm - with the new BST itīs like 22 mm on traditionel rims.The wider rim makes the tyre more stable by low pressure.
    @ AKxc - ^^ what he said. According to Easton the Haven 29er rims have an internal width of 21mm - very common size for mtn rims. I've run mine on Alex DA rims and have had no problems. I would say the only thing to keep an eye open for is if you have enough clearance in the frame and fork.
    I ..... need ..... DIRT!!!!!

    ... and cookies.

  12. #12
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    I am using the American Classic Race 29 with an internal width of 24mm. I should add that I only race/ride this bike on gravel roads and run a 40c tire tubeless. Works great, though.

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