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      12-13-2008, 12:46 PM   #47
M3-FAST
Defected to the dark side.....
 
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I thought it meant the 'roundness' - ie: If it had hit a bump/pothole the wheel would have gone slightly oval but not no more than 0.3mm? It is a measure of how 'out of round' a wheel is

EDIT:

It is, the side to side wobble, like a buckled bike wheel is lateral runout

http://books.google.co.uk/books?id=m...sult#PPA299,M1
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