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12-28 Casette for Shiano Ultegra 6800

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  • April 11, 2018 at 12:54 pm #28362
    chegue

    Hello!

     

    Do you think it is possible to mix a 12-25 and 11-28 casette to get a 12-28?

     
    I would have a great use of the 39T28 gear on hills but I would also miss the 53T16 cogs whixh I use a lot so I was thinkig about to mix the two set to get 12-28 like they sell in DuraAce (12-13-14-15-16-17-19-21-23-25-28).

    Any idea? 

    Thx

     

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Viewing 9 replies - 1 through 9 (of 9 total)
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  • April 13, 2018 at 6:35 pm #916903
    0
    StraelGuy

    Dunno to be honest. They’ve

    Dunno to be honest. They’ve been going for decades and the cogs have shifting rings like Shimano ones do so they’re probably pretty decent.

    April 13, 2018 at 6:02 pm #916901
    0
    Anonymous

    Slightly derailing things but
    Slightly derailing things but what is the Miche stuff like?
    The Cycle Clinic (and presumably other places) do a custom Miche cassette that I’m seriously considering.
    Cheers

    April 13, 2018 at 5:53 pm #916899
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    StraelGuy

    Have you looked at Miche

    Have you looked at Miche cassettes? They do a 12-29 which includes the 16 tooth ring that everyone loves. I’ve always bought 11-28 but will try a Miche when this one bites the dust.

    April 13, 2018 at 4:51 pm #916897
    0
    ChrisB200SX
    fukawitribe wrote:
    velochris wrote:
    Miche do a 12-28 11 speed Shimano cassette. Will be more cost effective. I used them for a few years without any problems. Maybe not 100% as smooth shifting but only tiny margins.

    Even with Shimano some of the sprockets come in different timings (phases) depending on the cassette, so you may be unfortunate enough to have a wee glitch even then. That said, might be fine and the Shimano docs have all of this detail in them if you want to check (e.g. which sprocket has which timing and what the serial number is for each).

    Yeah, most sprocket part numbers differ between those cassettes, I’ve got both in 5800 flavour but I still need to take pics of one of the sets of sprockets so I can directly compare. At worst I’d expect the franken-cassette to be a bit hesitant changing between certain sprockets.

    April 13, 2018 at 3:30 pm #916895
    0
    fukawitribe

    velochris wrote:

    velochris wrote:
    Miche do a 12-28 11 speed Shimano cassette. Will be more cost effective. I used them for a few years without any problems. Maybe not 100% as smooth shifting but only tiny margins.

    Even with Shimano some of the sprockets come in different timings (phases) depending on the cassette, so you may be unfortunate enough to have a wee glitch even then. That said, might be fine and the Shimano docs have all of this detail in them if you want to check (e.g. which sprocket has which timing and what the serial number is for each).

    April 13, 2018 at 3:24 pm #916893
    0
    velochris

    Miche do a 12-28 11 speed
    Miche do a 12-28 11 speed Shimano cassette. Will be more cost effective. I used them for a few years without any problems. Maybe not 100% as smooth shifting but only tiny margins.

    April 13, 2018 at 3:02 pm #916891
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    Dnnnnnn

    Perfectly possible.

    Perfectly possible.

    If you’re really keen/mean you can make up all sorts of weird’n’wonderful combinations of speeds and spacing (e.g. 8/9/10 speed, Campag spacings with Shimano parts (inc. freehub)). You’d have to be a bit weird but then some people here are.

    http://www.sheldonbrown.com/cribsheet-spacing.html

    April 12, 2018 at 11:18 am #916889
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    CXR94Di2

    Yes it perfectly possible,

    Yes it perfectly possible, Ive combined cs6800 cassettes to create a 14-32 cass, just buy the two cassettes with the necessary teeth you require

    April 12, 2018 at 11:09 am #916887
    0
    Canyon48

    Certainly possible.

    Certainly possible.

    Shimano even tell you what individual sprockets you need http://si.shimano.com/pdfs/dm/DM-CS0004-04-ENG.pdf

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