> ...and it's difficult on a modern 10-speed cassette to look behind you and know if you're in 5 or 6. For a little clarification: it's not so hard on modern 1

> ...and it's difficult on a modern 10-speed cassette to look behind you and know if you're in 5 or 6. For a little clarification: it's not so hard on modern 11-speed cassettes to tell if you're in 5 or 6...unless you've been racing for two or three days straight. ;-)