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Old 03-08-08, 12:39 PM   #1
Rocket-Sauce 
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9 Speed Derailleur 10 speed Brifter + Cassette?

Will a 9 speed derailleur (Chorus) work with a 10 speed cassette(Veloce) and 10 speed brifter (Daytona)?

Thanks!
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Old 03-08-08, 05:59 PM   #2
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From what I understand, the 9-speed (and perhaps even the 8-speed) derailleurs have plenty of "reach" to work with an otherwise 10-speed setup. Of course, you'll need to set the limit screws and perform the normal derailleur adjustment after the swap but that's something you'd need to do anyway. I'm pretty sure the jockey cogs on the 9-speed derailleur can handle the narrower 10-speed chain without any problems. Good luck!
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Old 03-08-08, 07:00 PM   #3
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I'm not a Campy expert but I believe that 8-speed and early 9-speed Campy rear derailleurs had a throw ratio different from later 9-speed and 10-speed rear derailleurs. And I don't know how to tell the difference. Suggest you check at Branford Bike, they have a website.

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Old 03-08-08, 07:13 PM   #4
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I'm not a Campagnolo expert either, but as far as I remember, the pivot year is 2001. Derailleurs from 2001 and beyond work with shifters from 2001 and beyond.

I haven't seen anything that ensures compatibility between those two eras, but if that's your problem, you might enquire at Jtek-Engineering. They might have a Shiftmate model that works for that kind of situation.
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Old 03-09-08, 09:14 AM   #5
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Yes, they will work fine.
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Old 03-09-08, 03:28 PM   #6
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Quote:
Originally Posted by Michel Gagnon View Post
I'm not a Campagnolo expert either, but as far as I remember, the pivot year is 2001. Derailleurs from 2001 and beyond work with shifters from 2001 and beyond.
Correct. I guess you can tell the difference by the location of an adjustment screw... I think I learned that from Branford Bike or Harris Cyclery.
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Old 03-09-08, 03:40 PM   #7
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I ran a 2006 10s Centaur RD w/old Chorus 8s Ergo shifters and it worked pretty well, but not perfectly.
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Old 03-09-08, 03:41 PM   #8
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Should be more or less fine.
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