Pirelli P Zero Winter 2 is a winter tyre made in total of 33 sizes, ranging from R18 to R18 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/35 R19 is 10mm wider than the narrowest dimension (245) and 20mm narrower than the widest one (275). 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 P Zero Winter 2 - "V", which is good for speeds up to 240 km/h. In 255/35 R19, P Zero Winter 2 usually competes against UltraGrip Performance 3, which is a tyre from GoodYear with a rating of 97%, compared to 0% of the Pirelli in question.