[XDime01]

What do all the numbers on the side of the tire mean? I knew once but I don't remember anymore. Example 245/40/18

 

[Twin-10s]

245 is the width. 40 is a percentage of the width that makes up the side wall. 18 is the rim size.
does that help?

 

[samdogmx]

http://www.s10forum.com/forum/showthread.php?s=&threadid=73557