Westlake SW608 is a winter tyre made in total of 76 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/40 R18 is 70mm wider than the narrowest dimension (155) and 20mm narrower than the widest one (245). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (225mm), which results in 90mm sidewall height. In
225/40 R18, SW608 usually competes against
Kristall Control HP2, which is a tyre from
Fulda with a rating of 68%, compared to 14% of the
Westlake in question.
