Rotalla Ice-Plus S210 is a winter tyre made in total of 44 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/50 R18 is 60mm wider than the narrowest dimension (175) and 40mm narrower than the widest one (275). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (235mm), which results in 117.5mm sidewall height. In
235/50 R18, Ice-Plus S210 usually competes against
Winter, which is a tyre from
Dunlop with a rating of 96%, compared to 37% of the
Rotalla in question.