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  1. #1
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    Smile Flash 29 Tire clearance

    Will Racing Ralph 2.4 29er tires fit a 2012 Flash 29 ?
    Does the rear have large enough clearance for larger tire than the stock 2.1
    Thanks

  2. #2
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    The owner's manual for both the Carbon and Alloy Flash 29 says max. tire size is 29 x 2.25in. I've noticed there's not much clearance on my Flash Carbon 3 with the stock RR 2.25's
    Last edited by jdinsj; 10-09-2012 at 05:14 PM. Reason: Corrected my tire size to 2.25
    2012 Cannondale Flash Carbon 29er 3
    2009 GT Peace 9R SS
    2008 Cannondale Prophet 4, Lefty Max TPC

  3. #3
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    Okay Thanks

    Has any one tried something larger ,
    Is the limitation the lefty or the rear.

    I was considering getting a Flash or maybe a Scalpel 29
    But I really like the 2.4 Racing Ralph's and want to use them.

    Any thoughts ?

  4. #4
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    Good question, one I would like to know the answer to.

    IMO, The limitation does not appear to me to be the lefty but more likely the rear tire clearance. My '12 Flash Carbon 3 came stock with 2.25 Racing Ralph Evo tires as specified from Cannondale and there is still some room left. Maybe not for say a 2.4 tire in the rear but a 2.3 tire would likely fit.

    Now keep in mind the Carbon Flash uses a direct mount front derailleur which may or may not offer more tire clearance also, not sure. I'm waiting for answers from riders who have actually made a larger tire work than a 2.25.

    Last edited by SS LS1; 10-08-2012 at 07:23 PM.

  5. #5
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    Looks like there is plenty of room on the seat stays,
    How about the chain stays are they tighter ?

  6. #6
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    I have a not so great photo on my phone but can't get the attachment to upload from it. The photo above I snagged from a review of the bike so it was not directly from my phone. Maybe I can use my laptop later when I get home tonight.

  7. #7
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    i am interested as well

  8. #8
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    '12 Flash Carbon 29 3, stock RR 2.25 on Stan's Flows.
    Attached Thumbnails Attached Thumbnails Flash 29 Tire clearance-p1050500.jpg  

    Flash 29 Tire clearance-p1050504.jpg  

    Flash 29 Tire clearance-p1050512.jpg  

    2012 Cannondale Flash Carbon 29er 3
    2009 GT Peace 9R SS
    2008 Cannondale Prophet 4, Lefty Max TPC

  9. #9
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    OK snapped some photos tonight before my ride .....
    2012 Flash Carbon 3 with 2.25 Racing Ralph Evo tires on 25mm wide Sun Ringle' Equalizer 25 wheels.

    The rear has about 3/16" on each side of the tire to the chain stays.

    The lefty has about 1/2" clearance.

    jdinsj, better clean that bike!
    Attached Thumbnails Attached Thumbnails Flash 29 Tire clearance-tire-rear-small-.jpg  

    Flash 29 Tire clearance-2012-10-09_17-15-56_486-small-.jpg  

    Flash 29 Tire clearance-2012-10-09_17-16-48_346-small-.jpg  

    Flash 29 Tire clearance-2012-10-09_17-17-05_471-small-.jpg  

    Attached Images Attached Images    

  10. #10
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    I'm running conti trail king 2.4 on my flash 29er. There is very little clearance in a lot of areas but nothing rubs. I can post photos if you need.

  11. #11
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    So are you running the 2.4 tire tubeless? If so how low of an air pressure F & R without rubbing? What rim width?

    I would appreciate it if you could post some photos of your setup.

  12. #12
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    Thanks that is helpful

  13. #13
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    I ran the 2.4 Racing Ralph on my Flash Carbon all winter last year. 24.5 mm internal rim width rims.

    Plenty of clearance.

    The tire was only about 5 mm away from the X.0 2x10 front derailleur, but I never had any problems.

    Go for it, enjoy.

    My 2010 alloy was maxed out at 2.25", however, I think the 2011 and newer alloys have more clearance.
    Attached Thumbnails Attached Thumbnails Flash 29 Tire clearance-flash_pics_006.jpg  

    Flash 29 Tire clearance-flash_pics_004.jpg  

    Race Reports, PreRide Reports, and General Rambling:

    www.roostersbikersedge.com
    http://www.ENVEcomposites.com

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