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ultegra sl RD and cassette compatability

dudgedudge Posts: 59
edited March 2011 in Road buying advice
Can someone let me know if an Ultegra SL rear mech (10 speed) is compatable with all cassette ratios...someone said that it won't work with an 11 tooth sprocket on a 10 speed cassette and to stick to 12 as the smallest. With the large array of gearing available for raod bikes I would like to know if this is correct...just looking around for a cassette at the moment and don't want to make a costly mistake...
Thanks

Posts

  • nicklousenicklouse Posts: 50,675 Lives Here
    works fine with an 11T sprocket.

    you can also buy ultegra SL cassettes with 11T

    but the largest cog is 28 or 27 depending on the version.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • rabkrabk Posts: 182
    +1

    11tooth cassette fine on my sl rd
  • maddog 2maddog 2 Posts: 8,114
    why wouldn't it work with a 11t ?

    There are reasons why big sprockets would be a problem, as the top jockey might rub, but there are no logical reasons why a small sprocket wouldn't work.
    Facts are meaningless, you can use facts to prove anything that's remotely true! - Homer
  • dudgedudge Posts: 59
    Thanks..I thought it would be ok..mis information..thats why I check on here when not 100%
    Thanks
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