The most common questions I get through the Contact page are related to Lee McCormack’s RAD measurement. RAD stands for “rider area …

I added a new page to the site about a week ago. The Multiple Bike Geometry Comparison Tool allows comparison of frame …

UPDATE ON BIKE GEOMETRY CALCULATOR – NOW WITH BIKE OVERLAY FUNCTION AND MORE BIKE FIT PARAMETERS When I started this website, I …

I put this site together on a whim with the intent of providing what I viewed as a more functional bike geometry …