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255/40 R21
» Nokian
Tyres Nokian 255/40 R21
Tyres Nokian 255/40 R21 range from a minimum price of 237.24£ to a maximum price of 309.08£ and are available summer, winter.
Nokian 255/40 R21 winter:
Nokian 255/40 R21 summer:
Nokian 255/40 R21 tyres
255 (Width in millimeters)
255 is the Nokian tyre width expressed in millimeters and measured (from the widest point of its outer sidewall to the widest point of its inner sidewall) from shoulder to shoulder. Before buying the tyre it is essential to check that your cars supports the tyres listed on this page, which are 255 wide.
40 (Shoulder, height or profile in percent)
40 is the second value reported in the Nokian tyre, and represents the aspect ratio or series of the tyre, that is the height of the sidewall of the tyre. It is not expressed in millimeters but as a percentage of the width of the tyre. For example, for tyres with a width of 255 and shoulder 40, the measurement is 102 millimeters (255 x 40 / 100).
21 (Rim diameter in inches)
21 is the diameter (expressed in inches) of the rim on which the Nokian tyres can be mounted. All tyres listed on this page are specific for 21-inch wheels. In rare cases, this value is expressed in millimeters.