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View Full Version : Campy Drivetrain Compatibility - 9 cogs with 10 chain


Grant McLean
10-16-2006, 05:02 PM
For somewhat wacky and specific reasons, I'm trying to find out if this
combo of 9 and 10 speed works together.

Anyone run a 10 speed chain on the back with 9 speed cogs and 9 speed rear derailleur?

Basically, I need to know if you've run a 9 speed rear derailleur/9 shifter with
9 cogs in an otherwise 10 speed drive train.

Campy suggests that the 10 speed chain (being narrower than the 9) "could" get
caught in the pulley cage of the rear 9 speed derailleur. Doesn't sound too likely
to me.

I guess I could also change the 9 sp pulleys to 10 sp? The cage shouldn't care, right?