Originally Posted by
ksryder
The nice thing about 11-speed is that what's old is new -- 11-speed cassettes are compatible across all groups now, because the spacing between cogs is so small, basically. I've been running campy potenza with a 105 crankset and either a SRAM or Shimano cassette for about 18 months now.
Correct. I have a 6800 group with hyd discs. I'd like to have a Potenza disc group but even though it's the 4th level down it still costs like $1500.