The letter is your speed rating ... that corresponds to a given weight on the load index chart. The higher the number, the more weight a tire can carry. When multiplied by four, your total ...

The letters and numbers relate not only to a tyre’s size and dimensions but also to its composition and speed capabilities. We explain what these mean and why it's important to fully understand them.

New tires with higher load index ratings can be used, so long as other specifications such as speed ... tire corresponds with ...