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Offset Explained

The offset of a car's wheel is the distance in millimetres from the centreline of the wheel to the flat face of the mounting surface of the wheel. The offset can be either a positive or negative figure. A positive offset is when the mounting surface is in front of the centreline closer to the face of the wheel, while a negative offset is when the mounting surface is the over side of the centreline deeper in the wheel. Most cars have positive offsets and deep dish wheels usually have a negative or very low positive offset.

If a wheel has an offset of 'ET45' it means it has a positive 45mm distance from the centerline of the wheel. The ET is short for Einpresstiefe which is a German word that translates as 'press depth'.

Offset Explained

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If you still need help with your order as well as the terminology used and what is required for wheel spacers, please email us via our Contact Us page or by calling Superforma at 01237 431929.