WebJul 6, 2024 · Tire speed ratings are paired with the load index. The load index is a 2 or 3 digit number followed by the letter designation of the speed rating. Tire Speed Rating Chart. Speed ratings are indicated on your tire’s sidewall with a speed symbol as shown below. Each symbol represents a safe maximum sustainable speed. WebSPEED SYMBOLS The speed symbol determines the maximum speed allowed for the rated loads of the tire. From the table above, A8 means the maximum speed allowed for the rated load of the tire is 40 km/h or 25 mph. NEAREST CONVENTIONAL TIRE SIZE METRIC TIRE SIZE 14.9R28 380/85R28 14.9R30 380/85R30 14.9R34 380/85R34 14.9R46 380/90R46 …
Tire Speed Ratings Explained, With Code Chart - LiveAbout
WebJul 12, 2024 · A load index is a number, usually found next to the speed rating, that represents the maximum load that the tire can carry. However, much like the letters of the speed rating, the numbers are a code rather than the actual pounds. For example, a tire that has a load index of 100 will be able to carry a maximum of 1,764 lbs (nearly a ton). WebJun 10, 2024 · The speed rating that you will find on the tires may be from the following; L, M, N, P, Q, R, S, T, H, V, W and Z. The tires with a rating from M to W, are designed to perform at top-speeds from 130mph to 186mph. For tires intended for vehicles with a top speed higher than 149mph, are assigned with a Z-speed rating. Understanding the Z-Speed Rating ottica rapallo
Understanding Tire Service Descriptions: Speed Rating and Load Index …
Web300. 186. A tire with a “V” speed rating can handle 240 km/hr, or 149 mph. When tires have a maximum speed capability above 149 mph (240 km/h), a “ZR” may appear in the service … WebTire Inflation Tables & Codes . Michelin RV & Truck Tires. Goodyear RV Tires (Including ST Tires) ... Speed Rating. Speed Rating ... Load Index Load LBS Load Index Load LBS Load Index Load LBS Load Index Load LBS Load Index … WebDec 5, 2024 · The lowest A1 rating is for up to 3 mph of speed, while the highest Y category tires have a speed limit of 186 mph. Tires rated safe for over 186 mph speed limit will have the symbol on their sidewall. All tires rated for over 149 mph must have the symbol ZR in their size designation. ottica ranieri san sebastiano al vesuvio