Originally Posted by
canam73
I've never tried it but several people on this forum have reported that shimano short cage RDs can handle 28t. It may take some fiddling with B screw.
That's what I'm confused about. I have the 105 (11-28t) and see no reason why the ultegra (11-28t) would not work. I'm just looking at the specs on the shimano website and it state the ultegra cassettes are only for ultegra/DA. Could this be more of a marketing thing?