Originally Posted by halfspeed

KMC makes a Campy 11 compatible chain. I use the Campy chain, though. As I said previously, there is no reason to own their special tool unless you really want it. The Park tool works quite well. The Campy 11 chains don't last as long as the ten speed stuff, but the shifting is so much better, it's worth it. It has the shorter throw of recent ten speed with the snap and positive engagement of older ten speed. When the 11s chain wears, it tends to get noisy long before it gets measurable elongation.