Firestone Tsp3000 425/65 R22

Firestone Tsp3000 is a summer tyre made in total of 17 sizes, ranging from R17 to R17 - this particular dimension is R22, which means it fits to a 22 inch/558.8mm diameter wheel. 425/65 R22 is 415mm wider than the narrowest dimension (10) and 0mm narrower than the widest one (425). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (425mm), which results in 276.25mm sidewall height.