Originally Posted by
nubcake
If he feels the noise in the pedals it is likely not the headset although it could easily be in the freehub. I have had freehubs that would only partially engage and sometimes they would randomly fully engage and you would feel a little pop in the cranks. Swapping the rear wheel for a known good one could help eliminate this possiblity. Even though you have a damn fine quality hub there is still the possibility of manufacturing defects.
He didn't say he felt it, he said he heard it. I heard my headset clicking too, and I could have sworn it was coming from the bb, pedal or crank on the right side. Anyway, just throwing out possibilities. The freehub would certainly be possible too. In years of experience troubleshooting computer problems, as well as mechanical issues, it seems problems that arise are quite often a result of something that was recently changed. Not always, but often.