Climbing the walls with Campy--34 x 32 with Potenza/2016 Record

[Ralph]

Believe Campy supplies all double groups that have 50-34 and 12-29 with a short cage.

[woodworker]

Is there a trick to getting the correct tension on the spring that runs from the derailleur body to the derailleur cage, such that the cage sits in the right position?

[oldpotatoe]

Originally Posted by woodworker

Is there a trick to getting the correct tension on the spring that runs from the derailleur body to the derailleur cage, such that the cage sits in the right position?

No trick, just the same hole it comes out of. Spring in holes, wind up the cage some, tighten bolt.

[jambee]

Another data point:

I am using a Potenza 11/32 (or 12/32) cassette with everything else Chorus. Works like a charm. Chorus rear der is just fine.

[teleguy57]

Originally Posted by ColonelJLloyd

A Wolftooth Road Link is a cheap experiment. You don't even need to break the chain.

I thought the Road Link helped with clearance on the largest cog, but couldn't find anything to tell me about whether it helped with chain wrap. Do you have any insights/experience about that?

Originally Posted by Tony T

Last year I ran an IRD 12-32 with a 50/34 and a Record short RD.
Shifts in all gears without a problem (even if I cross chain)
I only had to add one link length (new chain) from my campy 12-29 cassette set-up. (I think there would only be a problem if I had an 11-32 as there might be slack in the 11-32 crosschain gearing, so I'll stick with IRD until Potenza has a 12-32 cassette)

Interesting. Running a 12-32 with a 50/34 you needed to wrap 36 (against the spec of 33/34 depending on what year Record rear). All other things being equal then me running a 50/36 with an 11-32 (wrap of 35) might just work. And actually at age 62 I'm probably better off with a 12 than an 11, but the IRD 12-32 is even more pricey than the Potenza 11-32.

[Tim Porter]

Just a little interim report that the combo of 2016 Campag Record plus Potenza RD and 11-32 cassette works perfectly so far. Will report back as I get more miles.

Carry on. Tim

[makoti]

I see that the group has both short & medium cage RD. To use the 32, do you need to use the medium cage? Tempted to grab this for my travel bike.

[Tim Porter]

I'm using the mid-cage Potenza RD with the 32 in a group that is otherwise all Record and it's working fine. There have been a few reports that even the Record RD will handle the 32 but I have not tried it.

[makoti]

Originally Posted by Tim Porter

I'm using the mid-cage Potenza RD with the 32 in a group that is otherwise all Record and it's working fine. There have been a few reports that even the Record RD will handle the 32 but I have not tried it.

I've never cared for the look of mid/long cages, so I was hoping that the short would somehow handle the 32.

[oldpotatoe]

Originally Posted by makoti

I've never cared for the look of mid/long cages, so I was hoping that the short would somehow handle the 32.

Well, it WILL if you make the chain too short..that will rotate the upper pulley away from the larger(lower gear) cogs but you try to go big-big and kaboom..

[makoti]

Originally Posted by oldpotatoe

Well, it WILL if you make the chain too short..that will rotate the upper pulley away from the larger(lower gear) cogs but you try to go big-big and kaboom..

Sort of what I thought. Oh well. I just won't look back there.

[thwart]

Originally Posted by makoti

I've never cared for the look of mid/long cages, so I was hoping that the short would somehow handle the 32.

Preferring form over function can bite you in the butt.

Or... maybe make your RD go into the spokes.

[bismo37]

Sooo...

Looks like I should be able to run a Campy Chorus RD with stock cage using a Campy CX crankset 46-36 with an 11-32t cassette?

If a Chorus RD works fine with a compact 50-34 with 11-32 cassette, then I should be golden?

Thanks!