Originally Posted by
WizardOfBoz
As FB asked, is the wheel balanced? If you put the valve stem at different angles, does it stay where it is? If not, does it end up at the low point? If the the wheel is not touching anything, I have to think that its unbalanced to get a dynamic movement.
FWIW - while I suggested wheel imbalance as a possible cause of hub movement when the QR was open. I most definitely do dot suspect imbalance a cause of wobble when riding.