What does 235-60 R18 mean on a tire?
R: tire construction code (radial) 18: rim diameter in inches. The 235 tires provide more grip and control when cornering or driving on unpaved roads.Decoding tire sizes: the 235 vs 245 distinction that “235” or “245” is an indication of the tire’s width, in millimeters, such as 235/45r18. So, a 235 wide tire is 235mm (about 9. And that 10mm difference is the core of our 235 vs 245 tires comparison.