Originally Posted by
WalksOn2Wheels
I'm guessing you're still rocking 10 speed. If so, the 12-27 would be fine. As I said in another thread: the great thing about 11 speed is running an 11-25 cassette with a bonus 27 tooth cog.
9, actually, with a tripple chainring...nashbar sells a 9 speed ultegra cassette in 12-27. I figure 27 is close enough to 28 that I won't miss it