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275/45 R18 Bridgestone Potenza Sport variants
Bridgestone Potenza Sport is a summer tyre made in total of 133 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 275/45 R18 is 70mm wider than the narrowest dimension (205) and 10mm narrower than the widest one (285). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (275mm), which results in 123.75mm sidewall height. In 275/45 R18, there is only one possible speed index for Bridgestone Potenza Sport - "Y", which is good for speeds up to 300 km/h. In 275/45 R18, Potenza Sport usually competes against Pilot Sport 4, which is a tyre from Michelin with a rating of 88%, compared to 92% of the Bridgestone in question.
Bridgestone Potenza Sport is made in 133 sizes, starting from 205/45 R17 up to 285/40 R22.