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  1. #1
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    Loose shimano cassette. Please help.

    Today I put on an 11-23 Ultegra cassette onto a Mavic Kysrium Elite wheel. I used the spacer that came with the wheel and then put on the cassette. I tightened the lock-ring fully, but the cassette still had some play (i.e., it moved left and right 1 or 2 degrees). In addition, when I put on the cassette it never made the customary zipper sound when I tightened the lock ring.

    To trouble shoot the problem I took off the 11-23 and put on the 12-25 that I had been using (again, I used the same spacer that came with the wheel) before and it went on, tightened, made the customary zipper sound, and had no play.

    So finally to my question, do you have any tips on what I can do to get the 11-23 to work like it is supposed to?

    Thank you in advance for any help.

  2. #2
    Senior Member DieselDan's Avatar
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    There may be a ever so slim (0.5mm) spacer missing that goes between the 2nd and 3rd cogs.
    Bikes use brakes to stop.

    If your bike has breaks, don't ride it.

  3. #3
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    Quote Originally Posted by DieselDan
    There may be a ever so slim (0.5mm) spacer missing that goes between the 2nd and 3rd cogs.
    Would that be the small silver spacer that came with the cassette? And if I am reading your response correct it would go between the 12 and 13, correct?

    Thank you for your help Dan.

  4. #4
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    If the cassette is a 10-speed there should be the MAVIC spacer and also the 10-speed cassette spacer at the back of the cassette.

    The 11t cog requires a special lockring. All cassettes starting with 12 or larger require a normal lockring.

    Al

  5. #5
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    Quote Originally Posted by DieselDan
    There may be a ever so slim (0.5mm) spacer missing that goes between the 2nd and 3rd cogs.
    Not on a 9-speed or 10-speed.

  6. #6
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    Quote Originally Posted by Al1943
    If the cassette is a 10-speed there should be the MAVIC spacer and also the 10-speed cassette spacer at the back of the cassette.

    The 11t cog requires a special lockring. All cassettes starting with 12 or larger require a normal lockring.

    Al

    Ok, so the cassette is a 10 speed 11-23. I have both the mavic spacer (~1-2 mm thick) and the shimano spacer ( <1mm thick). Should I put them back to back (does order matter) and then start to put on the cogs?

    Thanks for your help. I appreciate it.

  7. #7
    road rash/tree burn
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    Yes, you put them back to back. I put the Mavic spacer against the freehub body and the Shimano spacer next, but that's just to help keep them straight in my mind. Functionally, it doesn't matter which is inside of the other.

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