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  1. #1
    mnoutain bkie rdier
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    1X10 my way vs XX1. What am I missing?

    What will I miss if I run a 28t up front (xo crank) and an 11-36 rear cassette

    vs.

    XX1 gearing?

    Will I just get spun out more on the DH sections?

    **NOTE: I raced a 1X9 two seasons ago. I loved it, BUT I needed more low end on a couple of the courses.
    It was a 32t and a custom 11X36 rear cassette. I am wondering if the new idea of running a 28t and an 11X36 will be what I was looking for two seasons ago.

    Maybe I should get a 30t instead of 28t, but I am not sure a 2 tooth drop in the front will be that noticeable..

    Ideas??
    Last edited by rydbyk; 03-04-2013 at 02:00 PM.

  2. #2
    eBiker
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    Being a racer you can probably put together some high cadence outputs which is what will be required on occasion with 28t. But usually that happens just to get started downhill, then coasting - and then mostly fire road or mach-silly trail.

    I've run a 32 front on my Enduro for the last couple of years and have missed no gearing as I can do the quick high cadence burst to keep up or out in front of others.

    I'll be going 28t on the front of XX1 (as soon as I can find the ring!) and 10s 11x36 like you.

    I expect it will be a bit harder to top out, but then, usually, I am going faster than I should anyway.

    P

  3. #3
    LA CHÈVRE
    Reputation: Dan Gerous's Avatar
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    What size are your wheels? I've raced with a 32t ring and a 11-36 cassette with 26" wheels... That gearing was too low to me. On my 32x11 tallest gearing, I was getting dropped on the start and was spinning way too much at the sprint finish. The steep climbs were fine, never felt out of low end, I was catching back people there... Now I have a 36t ring which is much better. Of course the perfect gearing depends where you race and how you ride (spinner vs masher). A 32t might work well on a 29er though.

    DAN.GEROUS.NET : MOUNTAIN BIKING : CYCLOCROSS : ROAD :

  4. #4
    dwt
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    1X10 my way vs XX1. What am I missing?

    Bookmark this gear ratio calculator, which allows adding wheel size as variable ( better and easier to use than Sheldon Brown link):

    http://forums.mtbr.com/drivetrain-sh...4-0-a-8204.htm

    For me personally on 1X10:
    26" wheel = 32T; 27.5" = 30T; 29" = 28T

    Obviously very subjective. YMMV


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  5. #5
    eBiker
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    Quote Originally Posted by dwt View Post
    Obviously very subjective. YMMV
    So true.

    And if you are racing on it, you need match your competitors or have a better gear set-up, less gear and be dropped

    P

  6. #6
    LT-5
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    Hey dwt, thanks for posting the link, but when I click there I get a "page not found"

  7. #7
    LA CHÈVRE
    Reputation: Dan Gerous's Avatar
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    Quote Originally Posted by Mr.P View Post
    So true.

    And if you are racing on it, you need match your competitors or have a better gear set-up, less gear and be dropped

    P
    Yeah, when I raced with my too small ring, it was just a local race I decided to do at the last minute, I was still playing around with the setup and I didn't had the time to make changes before...

    DAN.GEROUS.NET : MOUNTAIN BIKING : CYCLOCROSS : ROAD :

  8. #8
    dwt
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    1X10 my way vs XX1. What am I missing?

    Quote Originally Posted by Sourdough View Post
    Hey dwt, thanks for posting the link, but when I click there I get a "page not found"
    Hmmm....Works on my iPhone

    Try again:


    Mountain Bike Gear Ratio Calculator V4.0


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    Old enough to know better. And old enough not to care. Best age to be.

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