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  1. #1
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    Cassette compatibility

    Hey guys,

    I building a second set of wheels for my 29er and I have a general question about Cassette interchanging.

    My current wheels have the following 9 spd rear cassette:
    Shimano CS HG-50 -9 / 11-32 T

    The new wheels I bought came with the following 9spd cassette:
    Shimano HG-61, 12-36

    My original thought was that I can use either cassette without having to adjust anything simply because they are both 9spd. I am starting to think otherwise since the teeth are different.

    My question, When swapping between these 2 gears, would you expect to have to adjust the derailers or anything else?

    Thanks in advance,
    Ian

  2. #2
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    The shifting should be fine, you may have to adjust the "B" screw though.

    Assuming of course that the cage on your rear derailleur is long enough to accomodate the 36t, and that your chain is long enough.
    CyclingCentralVa.org

  3. #3
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    Thanks for the response. So as long as it fits under the chain and shifts ok, I shouldn't have anything to worry about? (sorry such basic questions)

    Ian

  4. #4
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    Quote Originally Posted by xianmacx View Post
    Thanks for the response. So as long as it fits under the chain and shifts ok, I shouldn't have anything to worry about? (sorry such basic questions)

    Ian
    Are you familiar with the "B" screw adjustment? If not, you may be better served to take it to a shop. This tutorial may serve you well also: Park Tool Co. ParkTool Blog Rear Derailler Adjustments (derailleur)
    CyclingCentralVa.org

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