What does the tire speed rating mean?
What Is Tire Speed Rating? A tire’s speed rating indicates the optimal speed that the tire can safely maintain over time. In short, it’s the fastest speed a tire can handle before it no longer performs as designed. The higher the speed rating, the better control and handling you’ll have at higher speeds.
What is H or T rating on tires?
The T or H part of the code indicates the speed rating of the tires. A speed rating of T indicates that the tire can be safely driven up to 118 mph. A tire with an H rating has a higher limit — 130 mph — which means it can be safely driven faster than the tire with the 94T code.
Does tire speed rating matter?
The speed rating tells you the speed the tire can safely maintain over time. A higher speed rating usually means you will have better control and handling at higher speeds – and that the tire can take the extra heat. As a general rule, tires with higher speed ratings also handle better at slower speeds.
Do semi trucks have speed rating tires?
The AP’s report is based on what Park acknowledges is true – most truck tires are rated for 75 mph. But it neglected to mention what he calls a “rule of thumb” for truckers: “Add 5 psi to their normal inflation pressure for every 5 mph over the rated speed they plan to travel.”
What is the best tire speed rating?
H-rated tires are rated for a maximum speed of 130 mph. The V rating is the next rating faster, and V-rated tires are good to 149 mph. Both H- and V-rated tires are considered to be performance-touring tires.
What does the speed rating of a tire mean?
Definition of Tire Speed Ratings . A tire’s speed rating is an indication, expressed as a letter code on the tire sidewall, of a speed the manufacturer expects the tire to be able to sustain over a long period of time without coming apart. This is good information to have for a number of reasons, some of which actually include the likelihood…
What is tire speed rating or performance rating?
Tire performance ratings, also called speed ratings, indicate the maximum speed range in which a particular tire can safely and effectively perform. The U.S. Department of Transportation has designated a rating system which includes a letter rating with a corresponding test speed, to assure a reliable standard for all tires.
What does speed rating mean at Tire Rack?
A tire’s speed rating indicates the optimal speed that the tire can safely maintain over time . In short, it’s the fastest speed a tire can handle before it no longer performs as designed.