Maxxis Victra Sport 6 SUV 305/40 R20

Maxxis Victra Sport 6 SUV is a summer tyre made in total of 31 sizes, ranging from R18 to R18 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 305/40 R20 is 70mm wider than the narrowest dimension (235) and -20mm narrower than the widest one (285). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (305mm), which results in 122mm sidewall height.