Kleber KRISALP HP3 is a winter tyre made in total of 106 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/40 R18 is 90mm wider than the narrowest dimension (155) and -50mm narrower than the widest one (195). 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 R18, there is only one possible speed index for Kleber KRISALP HP3 - "V", which is good for speeds up to 240 km/h. In 245/40 R18, KRISALP HP3 usually competes against G-FORCE WINTER 2, which is a tyre from BFGoodrich with a rating of 90%, compared to 85% of the Kleber in question.