A tire's most important job is to carry the load required of it, and the load range/ply rating branded on the tire's sidewall indicates how much load the tire is designed to carry (at a specific pressure). Whenever changing tire sizes or from one tire type to another, it's important to ensure...
Why do we change our tires and wheels? Aside from necessity, most of us do it for performance, comfort and style. But to be sure our tires are performing properly and that we're rolling comfortably and in style, we'll need to correctly install our new tires and wheels. Here's a few tips from us...
Proper wheel installation requires the wheel-attaching hardware (lug nuts or bolts) be tightened to the recommended torque specification for the vehicle make, model and year. Torque specifications are usually found in the vehicle's owner's manual.* Proper torque requires using the correct...
Tires branded with MOExtended or MOE on their sidewalls identify them as being specifically tuned for Mercedes-Benz vehicles. The Extended portion of the name identifies they feature run-flat-like tire characteristics by offering temporary extended mobility. However, since they don't meet all...
For handling-oriented track & competition fitments, Tire Rack recommends mounting tires on the widest rim width approved by the tire manufacturer (and permitted by competition class rules). However, we also recognize that rules for stock, spec, or other autocross/racing classes often...
European Union (EU) tire labeling regulations for passenger car and light truck tires went into effect November 1, 2012. These regulations help harmonize consumer information on a new tire's wet braking ability and environmental impact related to the tire's contribution to vehicle efficiency...
A safety recall involving a motor vehicle or an item of motor vehicle equipment can be voluntarily conducted by its manufacturer or ordered by the U.S. National Highway Traffic Safety Administration (NHTSA). The U.S. Transportation Recall Enhancement, Accountability and Documentation (or...
Most run-flat tires make a promise of temporary extended mobility at up to 50 miles per hour speeds for up to 50-mile distances in the event a puncture allows complete air pressure loss. However, even if driven within their speed and distance limitations, driving on run-flat tires with low or...
How Slow Do You Have to Go? The origin of tire speed ratings can be traced to Europe where they were needed to match high-speed tire durability with the unlimited vehicle speeds permitted on roadways like the German Autobahn. And even though the highest speed limit in the United States is 85...
Run-flat tires offer drivers temporary extended mobility even after a puncture allows complete air pressure loss. However, even run-flat tires will fail if driven too fast, too far or too heavily loaded when flat. For this reason, run-flat tires may only be used on vehicles equipped with a...
In order to preserve the integrity of the installed studs: the rolling direction of studded tires should never be changed. To achieve the best possible wintertime performance and longest lifetime from a set of studded tires, they should be rotated periodically to equally share the vehicle's...
Like the motorsports tires they have evolved from, all Track & Competition DOT performance category tires feature constructions and compounds that have been tuned to maximize traction and performance within a range of warm-to-hot ambient temperatures. Therefore, unlike less highly tuned...
Like the motorsports tires they have evolved from, all Extreme Performance Summer performance category tires feature constructions and compounds that have been tuned to maximize traction and performance within a range of warm-to-hot ambient temperatures. Therefore, unlike less highly tuned...
Studs for tires used in winter driving feature a tungsten carbide pin encased in a cylindrical metal housing that looks like a carpenter nail with its shaft cut short. Typically 80 to 100 studs per tire are inserted into small holes molded in the tire's tread design. The tire's tread is often...
Which vehicle parts go to the salvage yard 85% of the time without ever being used? If you haven't guessed by now, it's the spare tire, wheel, jack and tools. That's right, 85% of the time they will reach the end of the vehicle's life without ever having been used. However, since the spare...
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