How To Read A Tyre

Nominal Section Width

Cross-section width of tyre, in mm.

Aspect Ratio

The height of the sidewall (from crowd to bead) expressed as a percentage of the tyre width. A lower aspect ratio (low profile) provides increased stability and handling, especially at high speeds.

Tyre Construction

Indicates how the tyre was made, e.g. R - radial ply.

Rim Diameter

Diameter of the inner tyre edge, in inches. Corresponds to wheel rim size.

Load Index

Indicates maximum load a tyre can carry at its highest speed.

Speed Rating

Maximum speed the tyre can safely be driven.