Bridgestone Turanza ER30 is a summer tyre made in total of 3 sizes, ranging from R18 to R18 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/50 R19 is 10mm wider than the narrowest dimension (245) and 30mm narrower than the widest one (285). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (255mm), which results in 127.5mm sidewall height. In
255/50 R19, Turanza ER30 usually competes against
P ZERO PZ4, which is a tyre from
Pirelli with a rating of 86%, compared to 0% of the
Bridgestone in question.