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  1. #1
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    Can I use new (11 speed) wheels on a 9 speed campag bike?

    My bike is old but still in great condition.


    I have heaps of parts laying around so it would be a shame to buy a new groupset.

    With spacers, can I buy a new wheelset (11 speed) and use it or would it run too rough?

  2. #2
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    yes, you can use a 9 speed cassette on an 11 speed hub by using a spacer.

  3. #3
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    Quote Originally Posted by Jay Strongbow View Post
    yes, you can use a 9 speed cassette on an 11 speed hub by using a spacer.
    Where do I put the spacer?

  4. #4
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    Quote Originally Posted by Greatwhite7 View Post
    Where do I put the spacer?
    Behind the cassette.
    Attached Thumbnails Attached Thumbnails Can I use new (11 speed) wheels on a 9 speed campag bike?-cassette-spacer-2.jpg  
    Last edited by Lombard; 3 Weeks Ago at 05:05 AM.
    “Statistics are like bikinis. What they reveal is suggestive, but what they conceal is vital.” -- Aaron Levenstein

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  5. #5
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    The title says it's a Campy bike.

    All the answers so far refer to Shimano

    It may seem counter intuitive but if staying with 9-speed, a 9-speed cassette will fit a modern 11-speed Campy wheel with no spacers required.

    With Campagnolo, the freehub splining and cassette width has not changed from 9-speed up until today.
    Attached Thumbnails Attached Thumbnails Can I use new (11 speed) wheels on a 9 speed campag bike?-309437d1443091365-campy-specific-can-i-put-11-speed-cassette-9-speed-wheel-d151df87.jpg  
    Last edited by bikerjulio; 3 Weeks Ago at 06:58 AM.
    We just don’t realize the most significant moments of our lives when they’re happening
    Back then I thought “well there'll be other days”
    I didn’t realize that was the only day
    https://www.youtube.com/watch?v=Y9yrupye7B0

    There's sometimes a buggy.
    How many drivers does a buggy have?
    One.
    So let's just say I'm drivin' this buggy...
    and if you fix your attitude you can ride along with me.
    http://www.youtube.com/watch?v=GekiIMh4ZkM

  6. #6
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    Quote Originally Posted by bikerjulio View Post
    The title says it's a Campy bike.

    All the answers so far refer to Shimano

    If staying with 9-speed, a modern 11-speed Campy wheel will work with no spacers required.

    The freehub splining has not changed from 9-speed up until today.
    I stand corrected.
    “Statistics are like bikinis. What they reveal is suggestive, but what they conceal is vital.” -- Aaron Levenstein

    "Beware of geeks bearing formulas."
    -- Warren Buffett

    "Education is what you get when you read the fine print. Experience is what you get when you don't. -- Pete Seeger



  7. #7
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    Quote Originally Posted by Greatwhite7 View Post
    My bike is old but still in great condition.


    I have heaps of parts laying around so it would be a shame to buy a new groupset.

    With spacers, can I buy a new wheelset (11 speed) and use it or would it run too rough?
    I have a set of 9sp Colnago (Ambrosio) wheels, with maybe 4hrs riding after having Campy hubs serviced 2 years ago. You can have them if interested.

  8. #8
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    Quote Originally Posted by Lombard View Post
    Behind the cassette.
    Good to know, thanks mate.

  9. #9
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    Quote Originally Posted by bikerjulio View Post

    It may seem counter intuitive but if staying with 9-speed, a 9-speed cassette will fit a modern 11-speed Campy wheel with no spacers required.
    That makes things easy, thanks mate, will try.

  10. #10
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    Quote Originally Posted by Greatwhite7 View Post
    Good to know, thanks mate.
    You are not following.

    @lombard acknowledged a mistake. He was referring to Shimano.

    NO SPACER EVER with Campy. Is that clear enough?
    We just don’t realize the most significant moments of our lives when they’re happening
    Back then I thought “well there'll be other days”
    I didn’t realize that was the only day
    https://www.youtube.com/watch?v=Y9yrupye7B0

    There's sometimes a buggy.
    How many drivers does a buggy have?
    One.
    So let's just say I'm drivin' this buggy...
    and if you fix your attitude you can ride along with me.
    http://www.youtube.com/watch?v=GekiIMh4ZkM

  11. #11
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    Curious, bj. I get it that the splines have stayed the same but what takes up the space on an 11sp freehub when using 2 fewer cogs than designed for? Are you saying that with the cog spacing of 9sp, at the total cassette width is the same as the total cassette width for 11sp?

  12. #12
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    Quote Originally Posted by GKSki View Post
    Curious, bj. I get it that the splines have stayed the same but what takes up the space on an 11sp freehub when using 2 fewer cogs than designed for? Are you saying that with the cog spacing of 9sp, at the total cassette width is the same as the total cassette width for 11sp?
    Yes. 11 speeds were made the same width as 9. Campy did this in 2 ways. Firstly and most obvious, the spacing between cogs came down. Secondly, the big sprocket was dished inwards. 10 speeds did this too, but the dishing is a little greater on the 11-speed.

    Basic spacing gives:

    11 spd. 3.76 x 10 = 37.6 mm

    10 spd. 4.15 x 9 = 37.35 mm

    9 spd. 4.55 x 8 = 36.4 mm

    meaning that the big 11-spd sprocket has to dish in by 1.2 mm at most - and no problem, same width as 9-spd and same freehub.
    Last edited by bikerjulio; 3 Weeks Ago at 06:18 PM.
    We just don’t realize the most significant moments of our lives when they’re happening
    Back then I thought “well there'll be other days”
    I didn’t realize that was the only day
    https://www.youtube.com/watch?v=Y9yrupye7B0

    There's sometimes a buggy.
    How many drivers does a buggy have?
    One.
    So let's just say I'm drivin' this buggy...
    and if you fix your attitude you can ride along with me.
    http://www.youtube.com/watch?v=GekiIMh4ZkM

  13. #13
    tka
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    Quote Originally Posted by bikerjulio View Post
    You are not following.

    @lombard acknowledged a mistake. He was referring to Shimano.

    NO SPACER EVER with Campy. Is that clear enough?
    Just to clarify a bit, NO SPACER EVER BEHIND THE CASSETTE with Campagnolo.

    There are spacers between the cogs, and these spacers vary with # of speeds and series of cassette used. Branford Bike has one of the best write-ups describing the differences between Campag freehubs, cassettes, and the spacers between cogs on the cassettes. But there is NO SPACER BEHIND THE CASSETTE on any of the Campagnolo versions.

  14. #14
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    the whole context of the posts from the beginning, and especially that last one of the OP's was whether or not an extra spacer was needed. I think we all know that spacers commonly go between cogs.
    We just don’t realize the most significant moments of our lives when they’re happening
    Back then I thought “well there'll be other days”
    I didn’t realize that was the only day
    https://www.youtube.com/watch?v=Y9yrupye7B0

    There's sometimes a buggy.
    How many drivers does a buggy have?
    One.
    So let's just say I'm drivin' this buggy...
    and if you fix your attitude you can ride along with me.
    http://www.youtube.com/watch?v=GekiIMh4ZkM

  15. #15
    tka
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    Quote Originally Posted by bikerjulio View Post
    It may seem counter intuitive but if staying with 9-speed, a 9-speed cassette will fit a modern 11-speed Campy wheel with no spacers required.
    Quote Originally Posted by bikerjulio View Post
    the whole context of the posts from the beginning, and especially that last one of the OP's was whether or not an extra spacer was needed. I think we all know that spacers commonly go between cogs.
    Knowing the type of people on RBR, the first quote appears to indicate no spacers are required even though it is implied that it means behind the cassette. I probably should have quoted that one, but that's what I was referring to. As always, I will bow to your unexcelled knowledge of Campagnolo.

    TKA
    Campagnolo Technical Trained Mechanic

  16. #16
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    Quote Originally Posted by bikerjulio View Post
    NO SPACER EVER with Campy. Is that clear enough?
    Thats even easier, thanks for that.

  17. #17
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    Quote Originally Posted by tka View Post
    Just to clarify a bit, NO SPACER EVER BEHIND THE CASSETTE with Campagnolo.

    There are spacers between the cogs, and these spacers vary with # of speeds and series of cassette used. Branford Bike has one of the best write-ups describing the differences between Campag freehubs, cassettes, and the spacers between cogs on the cassettes. But there is NO SPACER BEHIND THE CASSETTE on any of the Campagnolo versions.
    Thanks all good now, will have a read of that too, cheers.

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