Metzeler Roadtec Z8 Interact 160/60 R18

Metzeler Roadtec Z8 Interact is a winter tyre made in total of 15 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 160/60 R18 is 10mm wider than the narrowest dimension (150) and 0mm narrower than the widest one (160). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (160mm), which results in 96mm sidewall height.