WebAug 22, 2024 · M Speed rating with improved load ranges to meet the latest market requirements. Optimized tread depth to maximize tire life and reduce rolling resistance and heat build up. Nylon overlay construction on most sizes to maintain tire strength and durability in higher load applications. › See more product details Frequently bought … WebJul 18, 2006 · An S-rated tire is nominally capable of a sustained speed of 112 mph. I'm sure that if you went 115 mph, it's not going to blow up. Or even 120 mph. But wait -- the next speed rating (T) is at the 118 mph level, so there must be a rather defined line between those two speeds of what a given tire can handle.
Understanding Tire Speed Rating Charts – TreadWright Tires
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. The speed rating system was developed to help … See more The speed rating system used today was developed in Europe in response to the need to control the safe performance of tires at standardized speeds. When the rating system was originally developed, the "Unlimited V" … See more For tires with a maximum speed capability higher than 240 km/h (149 mph), a "ZR" may appear in the size designation. Tires with a maximum speed capability higher than 300 km/h (186 mph), require a "ZR" in the size designation. … See more You can find your tire speed rating in a number of places, typically in the owner’s manual, driver’s side doorjamb, glove box door, and gas tank … See more Tires having a maximum speed capability over 149 MPH may have “ZR” in the size designation. Tires with a maximum speed capability over 186 MPH are required to include “ZR” in the designation. Below are examples of tire sizes … See more WebIf a vehicle has tires with different ratings, then placing like pair tires on the same axle is ideal. Otherwise, the speed capability of the vehicle is determined to be that of the lowest speed rated tires. Letters ranging from L to Z identify the speed rating. The lowest rating, L, is 75 mph. The highest rating, Z, is 149+ mph. leftist book publishers
Tire Speed Rating Chart - TirePressure.org
WebNov 24, 2024 · The speed rating of a tyre shows you the top speed that the tyre can safely be driven at. It’s a legally approved limit and tyres are only rated after they’ve been tested … WebAug 22, 2016 · A letter from A to Z symbolizes a tire’s certified speed rating, ranging from 5 km/h (3mph) to above 300 km/h (186 mph). This rating system, listed below, describes the top speed for which a tire is certified. It does not indicate the total performance capability of a tire. When this speed rating system was originally developed, the Unlimited ... WebNov 27, 2024 · The M rating allows you to accelerate up to 130 km/h, while the N is up to 140 km/h. Tires with these speed ratings, however, are rarely used. People frequently use … leftist books