This is the one I use;
http://www.alloywheels.com/tyrecalc.asp
Use the recommended width calucator to see if those 265 will fit on the rim designed for 245.
This is the one I use;
http://www.alloywheels.com/tyrecalc.asp
Use the recommended width calucator to see if those 265 will fit on the rim designed for 245.
If your fear of staying alive, outweighs the thrill of making the corner, brake.