Sorry to move up the old thread again. But I just bought two different IRD freewheels and they both wobble. One more than the other. At first I thought I may have bent something when removing my old Regina. I just tested it and out the Regina back on. Runs completely straight. The IRD wobbles. I don't think this is a real problem, but I thought I mentioned it.

Other than that I put some miles on the first one that I bought a few weeks ago. Works nicely except for the wobbling when freewheeling. Very quiet (almost too quiet), shifting is excellent. Not sure if I should try to exchange it because of the wobble - or just safe up for a NOS Regina...