Duraturn Mozzo Winter is a winter tyre made in total of 16 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/45 R18 is 90mm wider than the narrowest dimension (155) and -10mm narrower than the widest one (235). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (245mm), which results in 110.25mm sidewall height. In 245/45 R18, there is only one possible speed index for Duraturn Mozzo Winter - "V", which is good for speeds up to 240 km/h. In 245/45 R18, Mozzo Winter usually competes against Winter Sport 5, which is a tyre from Dunlop with a rating of 89%, compared to 0% of the Duraturn in question.