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245/40 R18 Firestone Roadhawk 2 variants
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Firestone Roadhawk 2 is a summer tyre made in total of 93 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/40 R18 is 50mm wider than the narrowest dimension (195) and 50mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In 245/40 R18, there is only one possible speed index for Firestone Roadhawk 2 - "Y", which is good for speeds up to 300 km/h. In 245/40 R18, Roadhawk 2 usually competes against Ecsta PS71, which is a tyre from Kumho with a rating of 76%, compared to 74% of the Firestone in question.
Firestone Roadhawk 2 is made in 93 sizes, starting from 195/45 R17 up to 295/35 R21.
