Bridgestone Dueler H/P Sport 255/45 R19

Bridgestone Dueler H/P Sport is a summer tyre made in total of 153 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/45 R19 is 50mm wider than the narrowest dimension (205) and 60mm narrower than the widest one (315). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (255mm), which results in 114.75mm sidewall height.