Buying a new bike? Make sure it fits before it ships.
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July 26, 2025
Bike Geometry 101: A Beginner’s Guide to Frame Fit & Ride Feel
April 1, 2025
Mads Pedersen's bike position at Gent-Wevelgem (2025)
September 24, 2024
Crank Length: the ultimate guide (2024)

June 4, 2024
Vingegaard's Stage 16 TT Position

May 29, 2024
Analyzing Keegan Swenson's bike position at Leadville (2023)

April 19, 2024
How To measure your body on The Bike App
There is nothing to install. All our products run in your browser (Chrome, Safari, Firefox, etc..). That way you can access the app from any computer, anywhere you need.
Getting yourself fitted on a bike in the Bikefit tool is a 3 step process:
Your Fitscore is a composite score that stems from 5 key metrics:
Right now, the Bikebuilder and Geometry Comparison tool are completely free to use.
Some features of the Bikefit tool are behind a paywall. A one time payment of $15 usd will get you a 14 day access to those featues.
Another Premium access period needs to be purchased to regain access, but you'll still keep all of your saved documents.
No we don't.
Sorry to hear that you're having some difficulties.
There are 2 things you can do to get optimal rendering performance.