Metzeler Roadtec Z8 Interact 170/60 R17

Metzeler Roadtec Z8 Interact is a winter tyre made in total of 15 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 170/60 R17 is 20mm wider than the narrowest dimension (150) and -10mm narrower than the widest one (160). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (170mm), which results in 102mm sidewall height.