Saturday, June 5, 2010

Measuring Wheel Offset




To calculate offset you'll need the following measurements:

Wheel backspace
Wheel Width
Wheel Center line (outboard flange to inboard flange measurement / 2)

Subtract:

Wheel center line from Wheel backspace to get offset.
If backspace is less than the wheel centerline the offset is negative
If backspace is greater than the wheel centerline the offset is positive

Tip:

To convert from inches to mm multiply by 25.4
To convert from mm to inches divide by 25.4






Backspace to Offset Conversion Chart

The table on the right is q quick reference for finding offset, pick the rim width and follow the row over to the backspace of your wheel.

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