Maxxis Spearz Q Rated (100mph E Marked) - TerrainTyres.co.uk

Z-speed rated tires. Where have they gone? No worries; they're still here. …mph (W-speed rating) and 186 mph (Y-speed rating). In the above picture you'll see 91W to the right of the size. The W of the 91W means the above Yokohama Advan Neova is W-speed rated. Since Z means 149+ mph, any W- or Y-speed rated tire is Z-speed rated.

Speed Rating. While a Z-speed rating still often appears in the tire size designation of these tires, such as 225/50ZR16 91W, the Z in the size signifies a maximum speed capability in excess of 149 mph, 240 km/h; the W in the service description indicates the tire's 168 mph, 270 km/h maximum speed.

Speed Rating Z. A “Z” rating can mean different things. While it nearly always means a high performance tire for high-performing sports cars, “Z” may actually appear in the middle of a tire’s size information. When it does, it represents either a maximum speed of more than 149 mph (240 kph) or 186 mph (300 kph).

…mph (W-speed rating) and 186 mph (Y-speed rating). In the above picture you'll see 91W to the right of the size. The W of the 91W means the above Yokohama Advan Neova is W-speed rated. Since Z means 149+ mph, any W- or Y-speed rated tire is Z-speed rated. You've got Z-speed rated tires after all.

The Origin of Speed Ratings. For example, H is between U and V, with the common perception that H stood for “high performance” at one time. As manufacturers continue to add speed to their vehicles, tire speed ratings evolve to match the speeds. For example, Z was the highest rated speed at 149+ until W & Y were used to match the higher speeds of exotic sports cars.

Linglong L688 235/40ZR18 Z Rated 18" No Patches NICE TIRE! 12/32" Tread Depth See more like this 9 items found from eBay international sellers Tires & wheels, Gemini black chrome w/Talon tires(TSM rated) Z-TRX5374X

High-performance—High-performance tires are rated for speeds up to 168 miles per hour (270 km/h) and ultra-high-performance tires are rated for speeds up to 186 miles per hour (299 km/h), but have harsher ride characteristics and durability.

Any tire rated under C is considered unacceptable for road travel. Temperature: The temperature grades, from highest to lowest, are A, B and C. These represent the tire’s ability to dissipate heat under controlled indoor test conditions. Any tire rated below C is considered unacceptable. 4. Icons

The APA picks the top all season standard and touring tires for passenger cars and compact SUVs based on ratings from a panel of tire experts along with their consultant, tire reviewer Michel Poirier-Defoy. A number of tires are profiled, and top picks among standard and touring tires are named. Most tires are available in the U.S.

Tires are rated on performance by various tire manufacturers, and there are features that contribute to a higher speed rating. Wide tread: A wide tread provides for more rubber on the road and a ...

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