Wobble occurs in both freewheel and cassettes that have been installed on hubs where the hub shell has off-center machining defects.
Normally we see it in freewheel setups - but it will appear in cassette type hubs as well - mostly entry level and generic hubs.
Here's my Youtube video on freewheel wobble...
http://www.youtube.com/watch?v=OI6Jx...i4Q7H5vFObaqgb
=8-)
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5000+ wheels built since 1984...
Disclaimer:
1. I do not claim to be an expert in bicycle mechanics despite my experience.
2. I like anyone will comment in other areas.
3. I do not own the preexisting concepts of DISH and ERD.
4. I will provide information as I always have to others that I believe will help them protect themselves from unscrupulous mechanics.
5. My all time favorite book is:
Kahane, Howard. Logic and Contemporary Rhetoric: The Use of Reason in Everyday Life