I've had a set of Azonic 454's for a couple years and never had much trouble with setting them up or maintaining them (and everybody seems to hate setting them up). It's like the other dude said - some people are just more mechanically inclined. I just took a big leap of faith and ordered a set of Diabolis's, but that's just because I am fascinated with shiney new parts and I like being poor - my 454's will go on a hardtail.