▼ Welcome to XY Bike Calc
Explore our precision tools for bike fitting, geometry calculations, and component selection. Stop guessing, start calculating.
Latest Updates
- Updated the database and position calculators to incorporate stock cockpit and max spacer values when provided by the manufacturer. These values are highlighted in yellow in the XY Position Calculator and Bike Position Simulator
- Added the ability to add a second bike to Bike Position Simulator to overlay a second bike/position for visual comparison
- Added "Frame Material" as a filterable option in the Bike Search
- Corrected BB to Rail calculation in XY Position Calculator (was calculating BB to SRC)
- Added a section for Product Manuals currently supplied by manufacturers for easy reference
X/Y Position Calculator
Calculate precise handlebar positions on any bike and compare multiple configurations at the same time.
Open XY Position CalculatorBike Position Simulator
Full bike visualization combining handlebar position, saddle position, and seatpost analysis in one comprehensive simulator.
Open Bike Position SimulatorStack & Reach Calculator
Convert handlebar X/Y coordinates to frame measurements. Determine stack and reach values needed to achieve your desired position.
Open Stack & Reach Calculator
Seatpost Calculator
Calculate seatpost length, setback, and analyze saddle positioning for optimal bike fit.
Open Seatpost CalculatorStem Calculator
Calculate and compare the effect of different stem configurations.
Open Stem CalculatorBike Search
Search our database of bikes based on your desired Stack and Reach figures.
Search BikesNew to XY Bike Calc?
Our guide will help define what "XY" values mean so you can get the most out of our powerful yet simple XY Position Calculator.
Read the Guide