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Old 03-08-10, 08:02 PM   #1
Captain Jake
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Campagnolo compatibility

I was thinking of building a cyclocross bike with campy components, and was wondering if I would be able to use the Centaur shifters with one of the 11 speed rear derailleurs so I could use one of the 29 tooth 10 speed cassettes without having to get the long cage derailleur.
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Old 03-08-10, 09:04 PM   #2
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1) Short cage = standard/compact + all campy cogset except 13-29
2) Medium cage = standard/compact + all campy cogsets
3) Medium cage = triple + all campy cogsets except 13-29
4) Long cage = triple = all campy cogsets (special chain length consideration for some rear cog combos)
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Old 03-09-10, 09:28 AM   #3
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Operator is right for 10 speed RDs. Unless you have some other use for an 11 speed RD, buying a medium cage 10 speed model would be cheaper and work perfectly. I even use a 10 speed medium cage with one of my 11 speed bikes, but I make a small alteration to the RD clamp bolt to increasse the actuation ratio.

The 11 speed RD has a slightly larger actuation ratio, but it will work fine with 10 speed. Only the 2010 models are guaranteed to work with a 29T large cog. Those models have a revised "B" screw mechanism that swings the cage further back to clear the 29T cog. 2009 models can be converted with one cheap part (#5-RD-SR004).

http://beta.aebike.com/Campagnolo-11...on_p_8594.html

Some users manage to combine a short cage 10 speed RD with a 13-29 and get it to work, but how well it works depends on the frame. A longer RD hanger improves the chances of the upper jockey pulley clearing the 29T cog. The prefect chainstay length can add 3T of wrap capacity, compared to a worst case length.
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Old 03-09-10, 10:29 PM   #4
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I was hoping to build the bike to be suitable for touring and therefor have a triple crank in the front. From the sounds of it I'll have to get a long cage derailleur. Thanks for the information.
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