Originally Posted by
GrayJay
I think you should first try keeping the original campy derailler, install as large of a rear cog as you can get to fit with the campy and see if that is sufficient. A 42x30 is a pretty low gear and you can avoid the mega-jump between a 22 to 34 tooth gear to still have a nice progression of gears available for climbing. If you put a cheap shimano long cage derailler on this bike it will adversly impact the vintage character of the bike.
I can see your point. I guess I expected the RD not to be able to handle a wider range freewheel.
What's kinda funny is that I had a bit of a hard time explaining to the owner that Campy doesn't exactly stock replacement parts for circa-1980s Victory gear : )