You can't just "fix" offset...you have to have wheels that have the correct offset in the first place...ideally anyway. You can get spacers to help a wheel w/o the ideal offset to fit in some cases.
(Edited by LanceS13 at 3<img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/wow.gif" border="0" valign="absmiddle" alt=':0'>3 pm on Feb. 15, 2002)