Rims come in various shapes and sizes. Are you looking for new rims for your car? Then you obviously want to know which rim size you need. On this page you will read everything about the bolt pattern, offset, hubbore and width and we will tell you what is meant by 4-lug or 5-lug.
9 inch |
Width Size Offset Hubbore Bolt pattern |
Rim width
This size indicates the width of the rim. The width size of the rim is important because the tire must always be 10 to 30 millimeters wider than the rim. For example, a 7 inch rim can be mounted on a tire of at least 195, up to a maximum of 225 millimeters.
Rim size
In addition to the bolt pattern, the rim diameter is also used to indicate the rim size. This refers to the diagonal size of the rim. The rim diameter is always shown in inches. 1 inch = 2.54 centimeters. To find the diameter of your rim in inches, divide the number of centimeters measured by 2.54. For example, a rim of 16 inches is 40.6 centimeters. As an indication, many modern cars are equipped with 15, 16 or 17 inch rims.
Offset
In our wheel shop you will also see a filter with the name offset. The offset of a rim indicates in millimeters how far a rim is from the wheel arch. You can calculate the offset of a rim by measuring the distance from the center of the rim to the mounting point.
With a high offset, the mounting surface of the rim is far outwards, with a low offset, the mounting surface is far inwards. Are you going to buy new rims? Then check the offset of your current rims. In most cases this is stated on the inside of the rim itself. A deviation in the offset of 5 millimeters from your original rims is usually acceptable. Do the original rims of your car have an offset of 30? Make sure that the offset of your new rim is between 25 or 35. Deviation of more than 5 millimeters can cause the wheels to hit the wheel arches and can be dangerous.
Hubbore
Each rim has a recess intended for the axle of the car. We call this recess the hub diameter or the boring. Since the hub is for the axle of the car, you can never choose a rim with a smaller hub diameter. It is possible to attach a rim with a slightly larger boring. We have special adapters (centering rings) for this.
Bolt pattern
Are we talking about the bolt pattern? Then we mean the distance between the mounting holes of the rim. Do you have a rim with an even number of holes, for example four or six? Then they lie opposite each other and you can easily measure the distance between opposite hub. This is a bit more complicated with a 5-lug rim. Since there are no mounting holes directly opposite each other, in this case measure the distance between the lugs furthest from each other.
The spacing consists of the number of lugs, combined with the distance between them in millimeters (hubbore). The spacing 4 x 100 therefore means that it is a 4-lug rim, where the distance between opposite lugs is 100 millimeters (10 centimeters). In our wheel shop you can easily search by bolt pattern. Select the desired number of lugs under "bolt" and select the desired distance in millimeters under "pattern".
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Need help finding the right rim size?
As you can read, there are quite a few things to consider when looking for new rims. It is important to find out which size you need. The right fit not only affects the looks, but also your comfort. The Carmar specialists are happy to help you find the right rim size. Can't figure it out? Feel free to contact us without obligation. Our specialists will gladly assist you!