Yet another campy/shimano compatibility question

[marciero]

Yes, I searched. It's probably there but could not find.

Which rear derailleur(s) would allow one to swap back and forth between Shimano 9-speed wheels and 11-speed wheels (either campy or shimano-I know interchangeable), using Campy 11 shifters, by simply adjusting the limit screw.

[zoose]

I'm thinking the spacing on the cassettes will be different and so the shifters will not work with the 9 speed cassette no matter the derailleur. No first hand experience though so others might have seen it work.

[distanc3]

The spacing is different between the 8/9/10 vs 11 speed. I could imagine a derailleur working for both systems if you swapped the shifters.

Maybe the OP got it mixed up with 9/10 speed swap with Campy/Shimano drivetrain?

[CampyorBust]

I am no expert by any means, but I am going to go with none of them.

[marciero]

Huh. Have heard that the Campy 11 shifters "work fine" with Shimano 9 using limit screw. The reality is that I will probably just be going with the Campy 11 on this bike

[palincss]

Read this (http://www.cxmagazine.com/shimano-campagnolo-ergopower-compatibility).

[marciero]

Read this (http://www.cxmagazine.com/shimano-campagnolo-ergopower-compatibility).

Was thinking that the pull of the 11 levers was offset by the distance the shimano derailleur moves in such a way as to match the 9 speed spacing. Article does not address specifics here, though it does address cable routing to affect pull ratio. Am also a little dubious of some of the combinations working vs working well

[oldpotatoe]

Yes, I searched. It's probably there but could not find.

Which rear derailleur(s) would allow one to swap back and forth between Shimano 9-speed wheels and 11-speed wheels (either campy or shimano-I know interchangeable), using Campy 11 shifters, by simply adjusting the limit screw.

None. I'd recommend using a Campagnolo 11s rear der, any one, an 11s Campagnolo cogset on the Campagnolo wheel(Chorus) and shimano 11s cogset(5800 or 6800), on the shimano wheel. Use a KMC, shimano or Campagnolo 11s chain.

[CiclistiCliff]

Campy 11 shifter and C11 derailleur work great on any 11 speed cassette.

Campy 11 shifter and Shimano Road 8/9/10 derailluer works great on a 9 speed shimano/sram cassette. If routed the 'hubbub' method, it'll work with Shimano/sram 10 speed cassette.

Supposedly, C11 moves S11 road derailleurs well enough to run C11 shifters with S11 derailluers and cassettes. I'll be trying this in the next few days.

[marciero]

Thanks for the insights all. I have confluence of a couple of projects-in-waiting. All my bikes are Shimano 9, and honestly I love the 7700 stuff. Shifts great. Aint nothing wrong. Dont really need the extra gears. I think it looks classy. But at some point want to try Campy. Like the shape of the hoods. It looks classy. And, well, it's campy. I've had a right Chorus 11 shifter looking for a partner, and so recently bought set of Record 11 shifters here. That, and a set of TB14 rims waiting to be built. Probably the right thing to do is build the rims on C11 hubs and go with complete Campy drive train.