40t vs 42t cog, pro and cons- Mtbr.com
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  1. #1
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    40t vs 42t cog, pro and cons

    OK now we have more options, more player with more products.
    I am debating between 40 or 42t.
    Seems like 42t with shimano rear der has a bit more problem than SRAM counter part at least that is my impression after reading about 42t cog thread.
    I personally would like to get 42t, but if there's significant shifting issue, then 40t will do.

    So what do you think 40 vs 42t? Pro and cons?

  2. #2
    NedwannaB
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    Ripley V1 XC/Gravel Adventure rig
    NORCO Fluid FS
    Salsa Timberjack

  3. #3
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    Quote Originally Posted by JMac47 View Post
    Thanks JMac!!

  4. #4
    NedwannaB
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    Quote Originally Posted by inter View Post
    Thanks JMac!!
    No prob. I've been looking into an ad-on cog. Thinking a 38t would do me fine if I kept a 34-36t ring up front. Still deciding.....

    Sounds like the Hope's are getting a lot of interest and on backorder already.
    Ripley V1 XC/Gravel Adventure rig
    NORCO Fluid FS
    Salsa Timberjack

  5. #5
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    Quote Originally Posted by JMac47 View Post
    No prob. I've been looking into an ad-on cog. Thinking a 38t would do me fine if I kept a 34-36t ring up front. Still deciding.....

    Sounds like the Hope's are getting a lot of interest and on backorder already.
    You've gotta be one or more of: stand-and-masher on climbs, on a 26" wheeled bike, in great shape, or live in an area with no substantial hills.

    I"m a sit-and-spin type and have a 30T front ring and 11-36 cassette and it's fine for me most of the time but wish I had a lower gear on some climbs... couldn't imagine a 34-36 up front without something bigger than a 36 in the back.

  6. #6
    NedwannaB
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    Quote Originally Posted by Alias530 View Post
    You've gotta be one or more of: stand-and-masher on climbs, on a 26" wheeled bike, in great shape, or live in an area with no substantial hills.

    I"m a sit-and-spin type and have a 30T front ring and 11-36 cassette and it's fine for me most of the time but wish I had a lower gear on some climbs... couldn't imagine a 34-36 up front without something bigger than a 36 in the back.

    140# rider, a lot of single speeding, both ht and fs are 650b's. Typical rides with some shorter close to home outings mixed in:

    1x9 32t/11-34t cassette

    Mountain Bike Ride Profile | Anna likes the new build near Santa Rosa | Times and Records | Strava

    SS 34:19

    Mountain Bike Ride Profile | SSkirt'n Anna's BoobSS and Wet SSpotSS near Santa Rosa | Times and Records | Strava

    So as not to toot my own horn, it would be a 34t ring x 38t or a 36tx40t granny respectfully.
    Last edited by JMac47; 03-16-2014 at 09:49 PM. Reason: typo
    Ripley V1 XC/Gravel Adventure rig
    NORCO Fluid FS
    Salsa Timberjack

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