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  1. #1
    bro not pro
    Reputation: Gonz's Avatar
    Join Date
    Feb 2004
    Posts
    350

    New question here. Ultegra / XT casette interchangibility

    road bike needs better hill climbing gear ... I replaced the Ultegra cassette with a XT, no change to the chain or deraileru (105) ... now the drive train makes a funny chain noise, especially when the chain is on the larger cogs ... original chain is Shimano something ...checked the chain tension and the deraileur action - looks OK. Upper pulley is not contacting cogs. is the Ultegra casette interchangible with an XT cassette in terms of chain ?
    G O N Z

  2. #2
    Chrome Toaster
    Reputation: Hecubus's Avatar
    Join Date
    Jan 2004
    Posts
    2,850
    The road derailleurs don't handle cassettes larger than 27t too well or at all. You also need a medium cage derailleur minumun for that cassette. The small cage can not take up enough chain slack to run such a wide spread.

  3. #3
    mtbr member
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    Join Date
    Jan 2004
    Posts
    383
    May also need to adjust the chain length. My road bike is setup using an 11-32 mountain cassette and an XT long cage rear der. Works just fine. I like to ride in the mountains 16% + grades- 39/32 low is a lot better than the typical 39/25.
    I bike; therefore, I work

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