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CAR WORLD


Tyre Structure

PIRELLI TYRE KNOWLEDGE

Over one hundred years' experience of tyre technology has enabled Pirelli to combine in their products maximum levels of security, longevity, comfort and attention to the environment.
Each Pirelli tyre provides not only performance but also a "feel for the road" and a communication with the driver, allowing a better understanding of the vehicle's performance.

We recommend this section if you want to become familiar with the world of car tyres.


 

ALL ABOUT TYRE'S SIZE. Tyre Size Designation For:

  • Passenger Car
  • Light Truck
  • Spare Tyres
Speed Symbol
 

TYRE SERVICE DESCRIPTION

In addition to the Tyre Size Designation a tyre may be identified by a Service Description consisting of a Load Index (or two in the case of single/dual fitment) and a Speed Symbol.

THE SPEED SYMBOL

The Speed Symbol indicates the maximum speed at which the tyre can carry a load corresponding to its Load Index (except for loads at speed above 210 Km/h) under service conditions specified by the tyre manufacturer.


 
Load Index
 

THE LOAD INDEX

The Load Index is a numerical code associated with the maximum load a tyre can carry (except for loads at speeds above 210 Km/h) at a speed indicated its Speed Symbol under service conditions specified by the tyre manufacturer.