9. They are very nice and I get them whenever I can.
I am running a 600 rear derailleur on my CCM and I have another one that I will use on my next project.
Shimano Ultegra and Shimano 600 are the same thing as tbere was a name change in the mid 90s. Ultegra/600 is the level below Shimano Dura Ace, which is the highest level groupset that Shimano makes.