Westlake Sport SA-37 is a summer tyre made in total of 64 sizes, ranging from R16 to R16 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 245/40 R20 is 50mm wider than the narrowest dimension (195) and 40mm narrower than the widest one (285). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In
245/40 R20, Sport SA-37 usually competes against
SA37, which is a tyre from
Goodride with a rating of 0%, compared to 0% of the
Westlake in question.
