Firestone Roadhawk 2 295/35 R21

Firestone Roadhawk 2 is a summer tyre made in total of 143 sizes, ranging from R16 to R16 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 295/35 R21 is 110mm wider than the narrowest dimension (185) and -10mm narrower than the widest one (285). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (295mm), which results in 103.25mm sidewall height.