This is a complete, professional-grade, single-file application. It uses a clean, modern design language, responsive CSS, and high-performance JavaScript to provide real-time suspension calculations. ```html Free Motorcycle Suspension Sag and Preload Calculator

Free Motorcycle Suspension Sag and Preload Calculator

Input your measurements to determine if your spring rate and preload are set correctly for your riding style.

Riding Style

Measurements (mm)

Analysis Results

Enter measurements to generate results