Westlake Z-107 is a summer tyre made in total of 104 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 -30mm narrower than the widest one (195). 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, Z-107 usually competes against
Ventus Prime3 K125, which is a tyre from
Hankook with a rating of 0%, compared to 23% of the
Westlake in question.
Summer
