Unigrip Sportage Plus 245/45 R18

Unigrip Sportage Plus is a tyre made in total of 22 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/45 R18 is 40mm wider than the narrowest dimension (205) 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.