Tyres Michelin 315/40 R21

Tyres Michelin 315/40 R21 range from a minimum price of 319.95£ to a maximum price of 454.52£ and are available summer, winter.

Michelin 315/40 R21 winter:

Michelin 315/40 R21 summer:

Michelin 315/40 R21 tyres

315 (Width in millimeters)

315 is the Michelin 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 315 wide.

40 (Shoulder, height or profile in percent)

40 is the second value reported in the Michelin 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 315 and shoulder 40, the measurement is 126 millimeters (315 x 40 / 100).

21 (Rim diameter in inches)

21 is the diameter (expressed in inches) of the rim on which the Michelin 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.