View Here : Tire Load Index Rating Chart
Using a P195/60R15 87S tire size as our example, the 87S at the end of the size represents the tire's service description. A service description identifies the tire's load index and speed rating. Service descriptions are required on all speed rated (except for Z-speed rated) tires manufactured...
Load index. The load index on a passenger-car tire is a numerical code stipulating the maximum load (mass, or weight) each tire can carry. For Load Range "B" tires, ETRTO (ISO-Metric) standards specify the load index rating at an inflation pressure of 36 psi (250 kPa) (table below), while P-Metric standards measure the load capacity at an inflation pressure of 35 psi (240 kPa).
A tire speed rating means much more then how fast a tire or car can go. Here is a ratings chart and description of what the ratings mean. Load index chart
Speed Ratings: L = off road P = 93 mph Q = 99 mph . Load index . The load index refers to the load-carrying capacity of a tire, or how much weight a tire can support.
What do the numbers and letters on tires mean? Understanding tire service description, load rating, and speed rating. If you look at the sidewall of a tire, you’ll see a whole slew of characters and numbers.
Learn more about "How To Read A Tire Sidewall" and get the latest news about tires and more at Continental.
Getting the most from your motorcycle tires requires proper care and maintenance. Get the most up-to-date information in this section. Contents:
What do these terms alphabetical, metric and std inch mean? They are explained in a section below. The sizes in the above chart do not go as large as modern sizes (180/55 or 240/40) because new bikes are not made to use the Inch Format. The above tire size conversion chart does not mean that these tires are universally interchangeable.They are to give you a point of reference when upgrading ...
When it comes to understanding tire load ratings there are a lot of things to consider, see why temperature, speed and construction all come into play.
Sidewall Markings. There is a lot of information on the sidewall of a tire. Typically, you'll find UTQG ratings for treadwear, traction and temperature, the size of the tire, the load rating index number with a speed rating index, the construction type (bias or radial), the D.O.T. (Dept. of Transportation) compliance code, construction details, and of course, the make and model of the tire.