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255/30 R20 Pirelli P Zero Winter variants
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Pirelli P Zero Winter is a winter tyre made in total of 85 sizes, ranging from R18 to R18 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/30 R20 is 20mm wider than the narrowest dimension (235) and 40mm narrower than the widest one (295). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (255mm), which results in 76.5mm sidewall height. In 255/30 R20, there is only one possible speed index for Pirelli P Zero Winter - "W", which is good for speeds up to 270 km/h.
Pirelli P Zero Winter is made in 85 sizes, starting from 235/40 R18 up to 295/35 R23.
