i have two ird 5-speeds and they're fine. nothing to brag so much about, but no worries either. they're incredibly quiet while coasting -- good for sneaking up on peds. they're about $50 compared to the 'clickier' sunrace ones for $17. not sure i'd put either in the dura ace category. if i could get a 6 or 7 on yours, i would try. suntour made some winners.