Originally Posted by
bradtx
.....you can close up your ratios using a 13-28T cassette.
I agree but good luck finding one. Shimano made some Junior cassettes with 14 and even 15T small cogs and Campy makes 10-speed 13x26 and 13x29 cassettes but finding any 11-speed cassette with anything but an 11T or, at best a 12T small cog is nearly impossible.