Radar Dimax Alpine is a winter tyre made in total of 59 sizes, ranging from R15 to R15 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/45 R20 is 90mm wider than the narrowest dimension (185) and 0mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (275mm), which results in 123.75mm sidewall height. In
275/45 R20, Dimax Alpine usually competes against
WinTech, which is a tyre from
Viking with a rating of 53%, compared to 53% of the
Radar in question.