About the Equivalent Arch Clearance Calculator
The equivalent arch clearance calculator allows you to compare a specified wheel against other wheel sizes with the same arch clearance.
Once you have entered the wheel specification into the form on the left, the calculator will display the equivalent offset of wheels in various widths.
For example, you can calculate that a 9.5J et12 wheel would have the same arch clearance as an 8J et-7 wheel.
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