• I know it's going back a bit but be warned that in 2001 Campag changed the amount of cable pull their ergo levers produced and the rear derailleurs gearing changed, so in effect you have 2 versions of Campag, pre 2001 (all 8 speed and early 9 speed) and post 2001 (late 9 speed and all 10 speed). Mix them up and the shifting will be all over the place.
    Next question, how do you tell the difference between the 2 versions of 9 speed ? for that you need the "knowledge" !

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