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  1. #1
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    Cassette Change - 105 5600 12-27 to Ultegra 6700 11-28t?

    Is it possible to switch from a Shimano 105 5600 12-27 cassette to an Ultegra 6700 11-28t? I got a new set of wheel and I put my 105 5600 cassette on them and all was fine, but I decided that if I needed to switch out my wheels, I wanted to have a second cassette for the spare. I was planning on putting my 105 5600 12-27 on the previous stock wheels and buy a new cassette for the new wheels. I saw a really good deal on the Ultegra 6700 11-28t cassette and I thought that a slight upgrade on the cassette might be nice, and the bonus of the 28T cog would by great for the hills I have started to work on recently. Any reason why this shouldn't work as a swap? If swapped, what kind of adjustments / additional equipment should I be looking at? I would assume some RD adjustments, but I am really new to bike maintenance (but trying to learn!) especially derailleur adjustments.
    Any help or advice is appreciated!
    -y
    2010 Specialized Allez Elite
    ACS Bike-a-Thon 2010 - Time Lapse video

  2. #2
    Have bike, will travel Barrettscv's Avatar
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    No problems or adjustments should be expected.

  3. #3
    Senior Member
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    Awesome - Well during my install today, I have clicking issues. I will have to spend more time on it when I have a chance tomorrow. Thanks...
    2010 Specialized Allez Elite
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  4. #4
    Have bike, will travel Barrettscv's Avatar
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    A quick adjustment might be needed, but the change can be made without any adjustment most of the time.

  5. #5
    bike whisperer Kimmo's Avatar
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    copy/paste links: http://velospace.org/node/36949 http://velospace.org/node/47746 http://velospace.org/node/47747
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    Does it only click in first gear? The upper jockey wheel may be rubbing on the 28t - there's a screw next to the derailleur's mounting bolt that controls the spring tension in that pivot and thus the distance of the upper jockey wheel from the cogs.

  6. #6
    Senior Member
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    I have been considering the 6700 11-28 for a rear cassette on my tri-bike. It has a 6600 rear D/R. However, several reports I have read is that it will not work well unless you have a 6700 or higher rear D/r.

    http://forums.roadbikereview.com/sho...d.php?t=185130

  7. #7
    Senior Member volosong's Avatar
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    +1

    Did that on my bike. No adjustment needed. Then again, I have the long cage RD, so it was no problem for me.

  8. #8
    Senior Member jmess's Avatar
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    I have an Ultegra 6603 setup with a 6703 crank. I replace the 12-27 with a 11-28 and no adjustments were needed. The 6603 long cage derailleur works just as well as it did with the 12-27. I like the 11-28 and don't miss the 16 gear at all.

    Quote Originally Posted by Monoborracho View Post
    I have been considering the 6700 11-28 for a rear cassette on my tri-bike. It has a 6600 rear D/R. However, several reports I have read is that it will not work well unless you have a 6700 or higher rear D/r.

    http://forums.roadbikereview.com/sho...d.php?t=185130

  9. #9
    Senior Member
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    Took my bike to my lbs (where I have a service plan on my bike anyway) and they tuned me up. Went for a ride tonight and things seem so far so good. No change in chain, etc. pretty stoked.
    2010 Specialized Allez Elite
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