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  1. #1
    Celeste is best ADA23's Avatar
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    Mar 2005
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    Rear derailleur - M,S?

    Looking to upgrade to the new Record and was wondering which rear derailleur I need. Medium or short.

    I will be running a 50/34 compact crank with an 11/23 rear cassette.

    However once a year I throw a 13/29 on the back for a climb I do with some buddies (6 km @ 13% ave)

    Will the short cage work OK with this second setup?
    "Anything thats hard to do isn't worth doing"

  2. #2
    Senior Member Retro Grouch's Avatar
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    Feb 2004
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    St Peters, Missouri
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    Rans Enduro Sport, Hase Kettweisel Tandem, Merin Bear Valley beater bike
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    You need 32 teeth of chain wrap. Campy Record short cage derailleurs are only rated for 27.

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