255/40 R21 GoodYear Eagle F1 Asymmetric 5 variants
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Special: BMW, .
GoodYear Eagle F1 Asymmetric 5 is a summer tyre made in total of 164 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 255/40 R21 is 50mm wider than the narrowest dimension (205) and 60mm narrower than the widest one (315). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In 255/40 R21, there is only one possible speed index for GoodYear Eagle F1 Asymmetric 5 - "Y", which is good for speeds up to 300 km/h.