Falken EuroWinter HS01 is a winter tyre made in total of 166 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/35 R19 is 100mm wider than the narrowest dimension (155) 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, EuroWinter HS01 usually competes against WinterExpert, which is a tyre from Uniroyal with a rating of 64%, compared to 61% of the Falken in question.