Tristar Sportpower 2 235/45 R20

Tristar Sportpower 2 is a summer tyre made in total of 55 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 235/45 R20 is 30mm wider than the narrowest dimension (205) and 40mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height.