Bridgestone Potenza RE050 is a summer tyre made in total of 13 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/40 R19 is 40mm wider than the narrowest dimension (215) and 0mm narrower than the widest one (255). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In
255/40 R19, Potenza RE050 usually competes against
UltraGrip Performance Gen-1, which is a tyre from
Goodyear with a rating of 0%, compared to 0% of the
Bridgestone in question.
