Pirelli Winter Sottozero 3 is a winter tyre made in total of 25 sizes, ranging from R16 to R16 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/35 R19 is 50mm wider than the narrowest dimension (205) and 100mm narrower than the widest one (355). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (255mm), which results in 89.25mm sidewall height. In 255/35 R19, there is only one possible speed index for Pirelli Winter Sottozero 3 - "H", which is good for speeds up to 210 km/h. In 255/35 R19, Winter Sottozero 3 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.