x9 rear derailleur- Mtbr.com
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  1. #1
    nvphatty
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    x9 rear derailleur

    I've been debating between a med & long cage for my 1x9 32-11/34 setup so I wanted to get feedback mainly if the med cage will perform the duties??

  2. #2
    mtbr member
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    Medium will work fine.
    I use one on a 22/32 front & 12/36 rear set up.

    Top tip, pull off the jockey wheels, remove seals & pack with quality grease before fitting. Repeat every 6 months to keep them sweet.
    Drink coffee....ride bikes....eat cake
    http://morayfatbike.blogspot.com

  3. #3
    nvphatty
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    Quote Originally Posted by motorman View Post
    Medium will work fine.
    I use one on a 22/32 front & 12/36 rear set up.

    Top tip, pull off the jockey wheels, remove seals & pack with quality grease before fitting. Repeat every 6 months to keep them sweet.
    my instincts felt it would but wanted some reassurance thank you.

  4. #4
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    Timely post- I just switched from my X9 med and 12/34 to my X9 long and 12/36 last night. The med would have worked, but the long seems to shift into the largest cogs more smoothly. Either will work though.

  5. #5
    nvphatty
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    Quote Originally Posted by deuxdiesel View Post
    Timely post- I just switched from my X9 med and 12/34 to my X9 long and 12/36 last night. The med would have worked, but the long seems to shift into the largest cogs more smoothly.
    Would the med have worked with the 12/36?? if so could it have been a matter of fine tuning for either setup??

  6. #6
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    I use a medium cage x9 with my 32/22 11-32 setup and it works brilliantly.
    Jason
    Disclaimer: www.paramountfargo.com

  7. #7
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    I've had absolutely no problems using a medium cage X9 on a 1 x 10 system using a 32tooth ring and 11-36t cogs.

    Cage length is important for multiple front chainrings, but almost any 1 x 9 or 1 x 10 can use any of the cage configurations (short, med, long) as you don't have to worry about chain-slack due to big drops in tooth size at the front rings (ie: from 42 to 22). Most 2 x 10 systems now use mid-cage derailleurs for this very reason.

    If you need reassurance, check the manufacturers spec for your RD and it'll call out the maximum range for a given model.

  8. #8
    nvphatty
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    Thanks everyone for the interest and replies with details.

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