If you visited the site in the past few weeks, you would have seen an option to submit bikes to the data …

If you’ve been here before, you’ll notice things look a little different on the site. I’ve been working on a major update …

If you’ve tried to enter the geometry of a mullet (mixed wheel) bike into the Bike Geometry Calculator, you may have struggled …

RAD calculator

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 …

Site upgrade news

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 …

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