In my opinion, the Connex quick link is superior to the "SRAM-style" that
KMC uses. I can open a Connex link easily with my bare hands, but the
KMC/SRAM link requires more force and sometimes a tool.
But they both do their job fine.
Consider keeping the Connex links from your worn out 908
I have been using the Conex 908 chains on all my bikes for many years and
like both the way they shift and that their quick link works so much better
than shimano & Sram links. Now I see that the RBW site describes the KMC
quick link as "the best." Most links are pretty easy to put on but