▼ Welcome to XY Bike Calc
Explore our precision tools for bike fitting, geometry calculations, and component selection. Stop guessing, start calculating.
Latest Updates
- Created new "Bike Position Simulator" to help users visualize both saddle and handlebar positions.
- Added "Headset Height" value inputs to XY Position Calculator, Stack & Reach Calculator, and Bike Position Simulator
- Updated "Bike Search" with sliders, brand filter, and Stack/Reach Ratio filter. Added Stack/Reach Ratio to the results table.
- Bikes can now be added to XY Position Calculator directly from the Bike Search results table.
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