Tire and wheel size effects on aerodynamics
3 posts
How Tire Width Affects Aerodynamic Drag: From Sidewall Numbers to Airflow
How tire section width affects aerodynamic drag, with plain-language explanations of sidewall markings, sidewall height, diameter and circumference calculations, and the limits of size comparisons.
Matching Bicycle Tire and Rim Widths for Aerodynamics: From Sidewall Numbers to Real Fit
How to read bicycle tire and rim markings, estimate measured tire width, apply the tire-to-rim width ratio, and understand how width changes diameter and circumference.
How Wheel Size Affects Vehicle Aerodynamics
Learn how to read tire sidewall numbers, calculate sidewall height, overall diameter and circumference, and how wheel width, rim size and wheel design affect aerodynamic drag.