▼ Welcome to XY Bike Calc
Explore our precision tools for bike fitting, geometry calculations, and component selection. Stop guessing, start calculating.
New 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 tools.
Read the GuideX/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 simulator combining handlebar position, saddle position, and seatpost analysis in one comprehensive visualilzation.
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 Bikes