Originally Posted by Leviathan

I have searched and searched online for this and have come up empty handed thus far. In the past I have seen upgrade kits that let you upgrade from 8 speed to 9 speed. The kit only included what you needed for the upgrade, shifters, rear der. chain and cassette. I am wanting to upgrade from 9 to 10 speed either Ultegra or Dura Ace. I have 04 9 speed Ultegra now. Has anyone seen what I am looking for, where can I find it?