Wheel Fitment Calculator

The wheel fitment calculator helps users assess the impact of changing wheel width and offset on inner clearance and outer position. This is critical for ensuring proper wheel fitment without causing rubbing or clearance issues.

Key Concepts

1. Wheel Width: Measured in inches, affecting how much the wheel protrudes inward or outward.
2. Offset: Measured in millimeters, indicating how far the mounting surface is from the wheel’s centerline. Positive offset moves the wheel inward, while negative offset moves it outward.

Calculation Explanation

• Inner Clearance Difference: Determines the clearance between the wheel and the inner components (e.g., suspension).
• Outer Position Difference: Reflects how much the wheel will protrude outward compared to the current setup.

Example Use Case

If you increase the wheel width from 8 inches to 9 inches and decrease the offset from +35 mm to +25 mm, the calculator helps you understand how these changes affect fitment.

FAQs

1. Why is inner clearance important?
   • It ensures the wheel doesn’t interfere with suspension or brake components.
2. How does offset impact fitment?
   • A lower offset pushes the wheel outward, affecting how it sits relative to the fender.