Originally Posted by
terrymorse
I just did a swap out on my wife's Ultegra bike by replacing the Ultegra RD with a
105
RD-5701-GS, which has a rated max cassette size of 32 teeth, and a 37 tooth chain wrap capacity. No difference in the shifting.
Just an update, but I ended up installing the 105 RD with the 11-32t cassette on my wife's bike, and it works like a charm! Thanks for the suggestion!