I know there is some company that makes campa->shimano conversion pulleys. They convert the amount of cable pull for the desired derailleur.
Edit: found it: http://www.jtekengineering.com/resources/shiftmate-compatibility/
Jtek Shiftmate you are talking about?
Yes, just found it as well :)
@Noice started
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I know there is some company that makes campa->shimano conversion pulleys. They convert the amount of cable pull for the desired derailleur.
Edit: found it:
http://www.jtekengineering.com/resources/shiftmate-compatibility/