How To Measure Rims

…fitment database, all you need to do is search by vehicle on our site and view the options that are a match for what you drive. Our engineering department measures the vehicle's components and evaluates which wheels will fit correctly. Items we measure or verify to ensure the wheel fits your…

…compatible wheels, but there are some nuanced differences in how offset and width affect wheel fitment. What is rim width and how does it affect what tire size(s) can be used? Wheel width is measured from the inside of one wheel flange to another as diagrammed below: For example, my Original…

…trip to our Upgrade Garage will allow you to enter the year, make and model of your vehicle, and view wheels that properly fit your vehicle. The offset of a wheel is the distance from its hub mounting surface to the centerline of the wheel. It can be one of three types (measured in millimeters):…

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…correctly. Measuring offset is easier than you may think. If the wheel isn't stamped, simply refer to the diagram on the left. This can be done at home with minimal tools. Although the tire does not have to be dismounted from the wheel to measure, it's much easier if it is. How do we know…

…and wheel width will be marked on the back of the original and aftermarket wheels, but backspacing needs to be measured. What does this all mean to you? Since we have already checked to see what fits your vehicle, all listed wheels have a compatible offset and backspacing specification. If…

…safety, let's talk about how to maximize the life of your winter / snow tires. Snow tires are truly different, so consider the following factors to ensure you get all you can from your investment. Winter tires use the same pressure as shown on your door's placard. The key is to set it in the coldest…

…a modification to the vehicle is needed for the wheel to fit. This message will appear under the "Important Notes" section. Situations like this are likely to occur with trucks where a lift kit is used. To ensure the wheel is a perfect match for your vehicle, we measure or verify many…

…procedure for how to measure tire tread widths. And since tire manufacturers can use different methods, their published tread widths would only be meaningful when compared to other tires measured the exact same way. This makes it challenging to compare tread widths of one tire brand to another, and…

…measurements from your stock wheels, but sometimes we do not. This may lead you to wonder, "How are these measurements going to change the stance of my car?" While all of the wheels listed for your vehicle are guaranteed to fit, without knowing what you currently have, it's tough to…

Many drivers call or email us to ask about offset. They want to know what it means and how it affects the wheel options we list on our site. Rim or wheel offset is the distance from the centerline of the wheel to its mounting surface. Offset is measured in millimeters and can be a positive, negative…

…may initially appear to be an oversight, it is really done to accommodate the reality that most steel wheels use hubcaps to provide a more desirable appearance. The absence of a rim protector allows more flexibility in hubcap styling and how hubcaps are designed and attach to the wheel. The tires…