Campagnolo 10 speed cassette on a Campy Record 9 speed hub... lockring rubs the drop
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  1. #1
    RoadBikeReview Member
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    Campagnolo 10 speed cassette on a Campy Record 9 speed hub... lockring rubs the drop

    Hey gang.

    Maybe this should be in the wheels thread but I always get the best info in here.
    So..picked up a sweet pair of Mavic Open Pro rims laced to Campy Record 9/10 speed hubs.
    Or so I thought...

    The 10 speed cassette fits the cassette body on the hub fine. The 10 speed lock ring threads in fine.
    When I mount the wheel the lock ring is just rubbing against the inside of the dropout.

    Wheels came with a lock ring that says 9 speed on it which doesn't work either.
    I was under the impression that these could run 9 or 10 speed cassettes.

    So.. am I SOL on this endeavor?
    Or.. do I just need a special lock ring to get the clearance I need (less than 1mm.)?

    FYI - 84 Ciocc frame.

  2. #2
    RoadBikeReview Member
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    If the lockring is tightened shouldn't it almost flush with the smallest cog? Is it tightened down firm? Sounds like the frame stays or dropout is bent or misaligned.
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  3. #3
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    re:

    Hi,

    Yeah, tightened down all the way. Don't think the frame is bent.
    I'm running 10 speed wheels on it now and they slide right in... no rubbing.
    Tried the same cassette on my current wheels and all is well.
    So.. there lies the mystery.

    Thanks a lot for the quick response.. appreciate it.

  4. #4
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    Is the freehub in all the way?

    You could always add a washer to the drive side and redish.

  5. #5
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    So you have 2 Campy 10 speed hubs and on one only the lockring rubs? I'm trying to think how this could be. That's an old frame to be running 10 speed. Would have originally been 126mm spacing.

    There are aftermarket lockrings that are much thinner than Campy's if there's no other answer.
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  6. #6
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    re:

    Yeah.
    The frame was 126mm. Cold set to 130mm. I've been running Spinergy Stealth 10 speed wheels w/o a problem. Used the same cassette for the campy wheels and same lock ring.
    Can't find any intel on exactly what kind of lock ring I need. Might just sell them.

    thanks

  7. #7
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    Show us a close-up pic of the cassette looking down on the cogs. You didn't put a spacer below the largest cog did you? It almost sounds like you have a added spacer in there some place. I did a cassette body conversion on a old 8 sp. wheelset to a 9-10-11 sp. body and I get some chain rub when in the smallest cog, so I try to stay out of that one. I would try a different cassette just to see if it seats better.
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  8. #8
    PRB
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    I'm pretty sure that some of the very early Campy 9sp hubs won't work with a 10sp cassette....that might be the problem.
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  9. #9
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    Could also be the spacers are in the wrong position. That will cause that symptom. I just ran across that on a friends bike, come to think of it.

  10. #10
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    Can we see a couple of pictures to illustrate?

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