Originally Posted by
wheelreason
Wait, what?!...
Originally Posted by
dedhed
Concur. Wouldn't that just change by 180 where the wobble is?
Possibly yes, if the problem is with the crankarm or chainring. If there is a change with the 180* orientation, it may point to a bent spindle.
This is just a way to diagnose and try to see what could be the issue.
And on bike you don't want to spend any $ on, one of the 4 orientations may work OK. Sometimes 2 wrongs can equal a right.