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255/50 R20 Firestone Roadhawk 2 variants
Firestone Roadhawk 2 is a summer tyre made in total of 56 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/50 R20 is 60mm wider than the narrowest dimension (195) and 20mm narrower than the widest one (275). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (255mm), which results in 127.5mm sidewall height. In 255/50 R20, there is only one possible speed index for Firestone Roadhawk 2 - "Y", which is good for speeds up to 300 km/h.
Firestone Roadhawk 2 is made in 56 sizes, starting from 195/45 R17 up to 275/45 R21.