Originally Posted by
boy in a kilt
However, with that all said, if you switch to Ergopower, you had best plan on using a Campy cassette. I have Phil Wood hubs which aren't compatible with Campy cassettes. The spacing on the Ultegra 10 speed cassette is similar but not identical to Campy so while it works, it's not quite right. My wife's drive train is all Campy and her shifting is much crisper than mine.
Here's why that is an issue. Shimano's widest range 10 speed cassette is a 12-27. Personally, I'd like a 12-30 but I take what I can get.