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315/30 R21 Pirelli P Zero Winter variants
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Pirelli P Zero Winter is a winter tyre made in total of 78 sizes, ranging from R18 to R18 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 315/30 R21 is 80mm wider than the narrowest dimension (235) and -20mm narrower than the widest one (295). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (315mm), which results in 94.5mm sidewall height. In 315/30 R21, there is only one possible speed index for Pirelli P Zero Winter - "W", which is good for speeds up to 270 km/h. In 315/30 R21, P Zero Winter usually competes against Winter i*cept evo3 W330, which is a tyre from Hankook with a rating of 88%, compared to 53% of the Pirelli in question.
Pirelli P Zero Winter is made in 78 sizes, starting from 235/40 R18 up to 295/35 R23.
