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Offset To Backspace Calculator

What is Wheel Backspace?

Wheel backspace refers to the distance from the back edge of the wheel mounting surface to the inner edge (lip) of the wheel. It essentially defines how much space exists between the wheel and the vehicle's suspension components or other internal structures. Proper wheel backspacing is vital for ensuring that the wheels sit correctly within the wheel wells, avoiding interference with suspension components or inner fenders. 

How to Measure Wheel Backspace:

- Locate the Wheel Mounting Surface: Identify the flat surface on the back of the wheel where it makes contact with the vehicle's hub.
- Measure to the Inner Wheel Lip: Using a straight edge or ruler, measure the distance from the wheel mounting surface to the inner edge (lip) of the wheel. This distance is your wheel backspace.

Why is Wheel Backspace Important?

Clearance: Correct backspacing ensures that the wheels do not interfere with brake components, suspension parts, or inner fenders.
Aesthetics: Properly fitted wheels enhance the overall look of your vehicle, giving it a balanced and aggressive stance.
Handling: Incorrect backspacing can impact vehicle handling and stability, making it crucial for optimal performance.

Seek Professional Guidance:

If you're unsure about measuring or understanding wheel backspace, it's always advisable to consult with a qualified automotive professional or a tire and wheel specialist. Contact Sales@DragRacingWheels.com and one of our wheel specialists will help you choose the right wheels for your vehicle, ensuring safety, performance, and aesthetics.


Wheel Offset to Backspace Calculator





Backspace: inches

The Offset to Backspace Calculator is provided for informational purposes only. The calculations and results generated by this tool are based on the input parameters provided by the user and are not guaranteed to be accurate or suitable for every application. By using this calculator, users acknowledge and agree to the terms of this disclaimer and understand that it is their responsibility to independently verify and validate the results obtained from the tool. Users are solely responsible for their decisions and actions based on the calculated results, and they should consider seeking professional advice when in doubt.

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