Something's wrong. While I think 105s are excellent, Ult 10 are better. Different riders may find various level of improvement between the two from close to none to enormous, but I don't think anyone can find Ult10 worse than 105. Ask them to check it out.

I also like the ergonomic shape of the Ult10 hoods better, but this has nothing to do with your problem (just needed to mention it ).