How to decide on correct spring tension on Campy Rally rear derailleur?
I have a Campy Rally version 1.1 (i.e. similar to a Shimano Crane) that I picked up for a song and quite a few bills on the 'bay a while back. It's in great shape so I just slapped it on my Cooper. The gearing setup is 13-28 rear, 52-42-30 front. It works pretty well but sometimes there's some...