Bridgestone Potenza Sport 305/35 R20

Bridgestone Potenza Sport is a summer tyre made in total of 204 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 305/35 R20 is 100mm wider than the narrowest dimension (205) and -10mm narrower than the widest one (295). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (305mm), which results in 106.75mm sidewall height. In 305/35 R20, Potenza Sport usually competes against P ZERO PZ4, which is a tyre from Pirelli with a rating of 89%, compared to 85% of the Bridgestone in question.