Firestone Firehawk SZ90 235/35 R19

Firestone Firehawk SZ90 is a summer tyre made in total of 41 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 235/35 R19 is 40mm wider than the narrowest dimension (195) and 20mm narrower than the widest one (255). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (235mm), which results in 82.25mm sidewall height.