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**goldstar** · 12-02-2003, 11:56 PM

Re: offset explanation

The offset of a wheel refers to how far the centerline of a wheel is displaced (offset) from its mounting surface. If the mounting surface of a wheel is in the same plane as the centerline of the wheel, then the wheel would have 0 offset. If the centerline of the wheel is displaced away from the mounting face towards the inner side of the car (towards the strut) then the wheel is said to have + offset. If the centerline of the wheel is displaced away from the mounting face towards the outer side of the car (towards the outer edge of the fender) then the wheel has - offset. Wheel offset for Proteges is + and is measured in millimeters.

For example, wheel offset for 3rd gen sedans is + 45 mm. Offset for MP3's, P5's and MSP's is even greater being + 50 to 55 mm. Aftermarket wheels will generally have wider rims and be fitted with wider section tires as well as having a larger diameter compared with OEM wheels. All of these factors can result in a situation where the tire may contact the outer edge of the fender under certain circumstances. To avoid this problem, the wheel you select must have sufficient + offset to prevent contact with the fender.

There is a thread on the MP3/P5 Forum which has info on wheel offsets required for various size wheels on the different Protege models.

**goldstar** · 12-03-2003, 07:04 AM

Offset Again

An excellent site that allows you to relate wheel position to offset is:

http://toy4two.home.mindspring.com/offset.html

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