philstireservice Posted December 22, 2008 Share Posted December 22, 2008 Check out the new Hoosier 18" Radial Slicks... 250/350R18 280/680R18 285/645R18 - new size 305/645R18 - new size See the specs here: http://philstireservice.com/pages/tires/tires_hoosier_8.htm Quote Link to comment Share on other sites More sharing options...
Balroks Posted December 23, 2008 Share Posted December 23, 2008 I've always wondered, what do the overall diameters they use for full slicks roughly translate to on normal DOT tires? Quote Link to comment Share on other sites More sharing options...
FlyingDog Posted December 23, 2008 Share Posted December 23, 2008 These diameters are millimeters. Just divide by 25.4 if you want inches. Normal DOTs do not have an outer diameter measurement,but you can calculate it from the other 3 numbers they give you. Like any tires, calculating the actual size from the labeled size only gives you a rough measurement. Easy way to calculate the metric sizes used on most DOTs: http://www.miata.net/garage/tirecalc.html Quote Link to comment Share on other sites More sharing options...
philstireservice Posted December 24, 2008 Author Share Posted December 24, 2008 If you click on the link, it will take you to the spec page where all the work is done for you... Quote Link to comment Share on other sites More sharing options...
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