Whats the difference? (rear derailleur ?)

[pete88]

Is there a big difference in running a 10t jockey wheels as to running a 11t. I have a compact 50/36 chainring setup, with a 12-25 in the rear. Thanks for the help!

 

[garagedog]

Campy = 10
Shimano = 11

 

[pete88]

Can you use a shimano 11T on a campy setup?

Campy = 10
Shimano = 11