Did three rides with the Speedplay Zero Aeros, and then switched back to Shimano. I was ok with having to grease the pedals, but then when the cleats started squeaking and I read that you're supposed to lube the cleats every 1-2 rides, that's just too much maintenance. Plus they were very difficult to clip in and out. People say they "break in" eventually, but I'm 185lb and strong, I should not have any difficulty clipping in/out. I could see their worth on a race only bike, but not for someone who rides as much as I do.