Pirelli Scorpion Winter is a winter tyre made in total of 243 sizes, ranging from R16 to R16 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 245/70 R16 is 30mm wider than the narrowest dimension (215) and 80mm narrower than the widest one (325). This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (245mm), which results in 171.5mm sidewall height. In 245/70 R16, there is only one possible speed index for Pirelli Scorpion Winter - "H", which is good for speeds up to 210 km/h. In 245/70 R16, Scorpion Winter usually competes against Blizzak LM-005, which is a tyre from Bridgestone with a rating of 88%, compared to 0% of the Pirelli in question.