Hankook Winter i*cept RS2 W452 is a winter tyre made in total of 88 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 245/40 R19 is 110mm wider than the narrowest dimension (135) and -20mm narrower than the widest one (225). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In 245/40 R19, Winter i*cept RS2 W452 usually competes against ALPIN 6, which is a tyre from Michelin with a rating of 69%, compared to 72% of the Hankook in question.