java script calc for comparison of tyre sizing from one size to the next with visual display and other data.. handy.
http://www.miata.net/garage/tirecalc.html
java script calc for comparison of tyre sizing from one size to the next with visual display and other data.. handy.
http://www.miata.net/garage/tirecalc.html
......in the bluecorner , fighting out of japan....