Bridgestone Potenza S007 is a summer tyre made in total of 23 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 305/30 R20 is 50mm wider than the narrowest dimension (255) and 10mm narrower than the widest one (315). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (305mm), which results in 91.5mm sidewall height. In
305/30 R20, Potenza S007 usually competes against
P ZERO PZ4, which is a tyre from
Pirelli with a rating of 89%, compared to 0% of the
Bridgestone in question.
