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To recap, tire ratings such as 110T, 110H, 112T, 109H, 110V, and 120V encompass a combination of load index and speed ratings. The load index determines the tire’s load-carrying capacity, while the speed rating indica...
Learn how to read tire speed ratings and load indexes. Find how how to find tire speed ratings and load index and why they're important when buying new tires.
Understand tire speed ratings and tread life with this helpful chart from the experts at BFGoodrich.
A tire’s certified speed rating is given a letter from A to Z, ranging from 5km/h (3mph) to above 300 km/h (186 mph). This rating system (see below) shows the top speed for which a tire is certified.
Jun 17, 2020 · Use a tire load index chart and speed rating chart to decode the numbers and letters on your tire sidewall and make the best tire choice for your car.
The tire speed rating indicates the maximum speed at which a tire can carry its maximum load. On the sidewall of your tire (or the sticker in the driver's door, or the owner’s manual), the speed rating is defined by a...
Your tire load rating tells you how much weight your car can handle. View our tire load index chart & learn why this rating is important, from Wheel Works!
The two-digit number is a code for the maximum load carrying capacity of the tire. The letter is a maximum speed rating indicating the maximum speed at which the tire may be used with maximum load when the maximum lis...
Find out your tire's speed ratings, what they are for, and how and where to find them.
Sep 23, 2025 · The load index indicates the maximum weight each tire can support when properly inflated, while the speed rating shows the highest sustained speed the tire can handle without compromising safety or stru...
