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Tires
Photo #1 - No Protection While curbs and debris on the road have never been considered a tire's friend, many of today's tires resist accidental damage by featuring thicker rubber molded at key locations on their sidewalls. This helps reduce damage to the tires and/or wheels tires and/or wheels...
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Wheels
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...
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Installation |
Wheels
For wheel designs that require special tire mounting attention.
While size designations for tires (i.e., 245/40R18) and wheels (18x8) confirm matching (18-inch) bead seat diameters, measuring a wheel's overall diameter from the top edge of one flange to the other 180-degrees away will reveal...
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Tires
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 restrict...
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Installation |
Tires |
Wheels
Much like your foot can sometimes fit in a half size up or down shoe, tires have a range of rim widths they can be mounted on while still performing as designed. Likewise, similarly to how a person typically knows their "shoe size," tires have a measuring rim width from which the tire's specs...
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Wheels
The offset of a wheel is the distance from its hub mounting surface to the centerline of the wheel. The offset can be one of three types (measured in millimeters).*
"The offset of a wheel is the distance from its hub mounting surface to the centerline of the wheel."
Zero Offset
The hub...
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Installation |
Wheels
All wheels sold by Tire Rack are shipped with all the necessary lug and ring hardware. *It's important they be used for installation.
Then, rest assured that we've done our research to ensure installation is trouble-free. We get to know a vehicle and its wheels inside and out. This attention...
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Installation |
Wheels
Stud Clips
Many American built cars and trucks have small retention clips mounted at the base of the studs. These stud clips were designed to secure the brake rotor or brake drum to the hub as the vehicle was moving down the assembly line in the factory. Once the brake calipers and pads are...
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Tires |
Wheels
Before returning a wheel and tire package, please call 888-981-3953 for your Return Authorization Number (RA#).* Please be sure to package your return for shipping as shown in the illustration below. Use the guidelines below to ensure safe delivery. Note: You must have a Return Authorization...
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Installation |
Tires |
Wheels
Measuring Rim WidthThe measuring rim width is the industry standardized rim width upon which the tire must be mounted in order to confirm it meets its dimensional targets. Because the width of the rim will influence the width of the tire, a standard rim width for every tire size is assigned and...
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Tires |
Wheels
Experience indicates that searching by wheel size, offset and/or bolt pattern alone are not specific enough criteria to ensure an exact fitment.
Attention to detail prevents vibration, wheel/tire interference and unbalanced handling. A vehicle's critical components are measured with...
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Wheels
Tire Rack is the North American distributor for O.Z. Racing wheels. This partnership includes O.Z.'s prestigious, custom three-piece wheel program.
O.Z.'s custom program allows Tire Rack to maximize wheel fitment without the limitations associated with one-piece wheels. Tire Rack's fitment...
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