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305/30 R20 Bridgestone Potenza S001 variants
Bridgestone Potenza S001 is a summer tyre made in total of 151 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 100mm wider than the narrowest dimension (205) and 0mm narrower than the widest one (305). 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, there is only one possible speed index for Bridgestone Potenza S001 - "Y", which is good for speeds up to 300 km/h.
Bridgestone Potenza S001 is made in 151 sizes, starting from 205/45 R17 up to 305/30 R20.