225/55 R18 Pirelli Powergy variants
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Pirelli Powergy is a summer tyre made in total of 62 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/55 R18 is 20mm wider than the narrowest dimension (205) and 30mm narrower than the widest one (255). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (225mm), which results in 123.75mm sidewall height. In 225/55 R18, there is only one possible speed index for Pirelli Powergy - "V", which is good for speeds up to 240 km/h.
Pirelli Powergy is made in 62 sizes, starting from 205/60 R16 up to 255/40 R20.
