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275/45 R20 Nokian Powerproof variants
Nokian Powerproof is a summer tyre made in total of 53 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/45 R20 is 70mm wider than the narrowest dimension (205) and 0mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (275mm), which results in 123.75mm sidewall height. In 275/45 R20, there is only one possible speed index for Nokian Powerproof - "Y", which is good for speeds up to 300 km/h.
275/45 R20 110 Y
Nokian Powerproof is made in 53 sizes, starting from 205/50 R17 up to 275/45 R20.
