The rim et value means the offset value, which represents the deviation distance between the rim mounting surface and the center line of the rim. The
wheel rim
et value can be divided into positive and negative offset distance and zero offset distance. When the wheel rim et value is larger in the positive direction, it means that therim mounting surface is inward. The distance indicates that the mounting surface is in the middle of the rim.
Does the larger the et value, the more prominent the wheel rim?
This is not the case. The larger the et value of the car rim, the more inward its mounting surface is, so it does not protrude outward, but indents inward. Generally, those four-wheel drive vehicles will use wheels with a negative et value, in order to increase the wheel spacing to make the vehicle more stable, and to make the best use of their high-performance tires. Our ordinary vehicles generally use wheels with positive et values, because ordinary vehicles do not pursue the ultimate driving performance, and generally prefer safety.
How to choose the et value of the car rim?
When choosing a car wheel, you should consider the configuration of your own vehicle, and you cannot choose a new wheel that is too different from the original wheel size. If the selected wheel rim et value is not suitable for the own vehicle, it will lead to the deviation of the driving direction of the vehicle, or the work of the braking system will be affected, and increasing the braking distance will affect the driving safety.
In addition, you can judge according to your own model. If it is a four-wheel drive vehicle, you can choose a wheel with a negative et value to increase the driving performance. If it is a general two-wheel drive, choose a wheel with a positive et value.
Zero-offset rim - indicates the mounting hole fixing surface of therim, which is located on the centerline of the rim. (for SUV models and some BMW cars)
Positive offset rim - indicates the distance between the joint surface of the rim and the center of the rim, which is the direction to the outside. (for front-wheel drive and some rear-wheel drive models)
Negatively offset rim - indicates the distance between the joint surface of the
wheel
rim
and the center of the rim, in the direction of the inside.
The ET value of the rim refers to the degree of deviation between the junction of the rim and the center line of the rim, referred to as the offset (off-set value), which is divided into three types: positive offset, negative offset and zero offset. . If the ET value is larger, the rim will be more recessed inward (the wheel spacing between the two coaxial rims will become smaller), rather than protruding. The smaller the ET value, the more protruding it is to the outside (the wheel spacing between the two coaxial rims becomes larger).
