What Is Aspect Ratio On A Tire Explained For 2026 Drivers
What is aspect ratio on a tire defines the proportional relationship between a tire’s sidewall height and its section width, expressed as a percentage. Typically seen as the second number in a tire size (e.g., ’45’ in 225/45R18), this seemingly small detail profoundly impacts vehicle dynamics. Selecting the correct aspect ratio is crucial for optimizing…
