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...
Tire Rack's Tire & Wheel Owner's Manual contains tips on installation and care. Download the PDF If you need to download a copy of Adobe's Acrobat Reader it's available free from Adobe for a variety of computer platforms.
While many people choose aftermarket alloy wheels for their beauty, there are equally important performance benefits to be derived. Reduced Unsprung Weight Compared to Steel Wheels This is one of the most critical factors affecting a vehicle's road holding ability. Unsprung weight is that...
Large diameter wheels and wide, low profile tires go together and show up everywhere from America's new car showrooms to its roads, tracks and trails. So whether the vehicle came from the assembly line or was upgraded after it was delivered, Plus Sizing (also called "Inch-Up" sizing in other...
Our quality standard for wheels is very high and the manufacturers that we represent in this market understand that we constantly monitor products to ensure that quality products are sold to our customers. But what determines quality? Manufacturing Process Manufacturing processes should be...
Brake Caliper Profile - The shape and size of the brake calipers must fit within the design and shape of the wheel. It may seem obvious, but a wheel is comprised of a hub, spokes and rim. These parts work together to...
Once your new wheels and tires are installed, step back and take a good look. The new, sharper appearance will accent your vehicle splendidly. They look great now; but unfortunately, your wheels are often the dirtiest part of your car because they are constantly exposed to the elements...
When creating a Winter Tire & Wheel Package you can choose either an aftermarket alloy wheel or a steel wheel for your vehicle. Use the descriptions below to help determine the best choice for you. Alloy Wheels Enhance the look of your vehicle Are manufactured to precise standards...
Conversion TableInchesMillimeters4 x 3.934 x 1004 x 4.254 x 107.954 x 4.334 x 1104 x 4.504 x 114.34 x 5.124 x 1304 x 5.514 x 1405 x 4.005 x 1005 x 4.255 x 107.955 x 4.505 x 114.35 x 4.535 x 1155 x 4.725 x 1205 x 4.755 x 120.655 x 5.125 x 130Your vehicle's bolt pattern is one of, if not the,...
The centerbore of a wheel is the machined opening on the back of the wheel that centers the wheel properly on the hub of a vehicle. This hole is machined to exactly match the hub so the wheels are precisely positioned as the lug hardware is torqued down. Keeping the wheel precisely centered on...
All Wheels Are Round. Or Are They? Though not enforced, there are quality standards to govern the production of wheels. Some countries though, like Germany and Japan, have government regulations requiring aftermarket wheels to meet certain criteria and ensure proper fit. The United States has...
We want our vehicle's brake system to offer smooth, quiet braking capabilities under a wide range of temperature and road conditions. We don't want brake-generated noise and dust annoying us during our daily driving. To accommodate this, brake friction materials have evolved significantly...
Slotted, drilled or dimpled rotors offered as OEM replacements should not be considered appropriate for high-speed track use. While grooved, drilled and slotted rotors offer an enhanced appearance and add some resistance to the boundary layer of gasses that can build up between the pad and...
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