I am a retrogrouch by heart and have persisted with my Campagnolo 8 speed groups for 20 years.  Why would I need a new group?  The 8 speed Record stuff will last forever and looks awesome.  That being said, I recently broke down and got an 11 speed Athena group to see what the new stuff is like.  I'll go a review of the group in a separate post but I did want to discuss the chain.  There have long been complaints about how Campagnolo's chains require special (expensive) tools to install and I did find that irritating at first for the 11 speed chain. Now needing a new chain…