* This application is a manual calculator utility and does not automatically read or connect to any bicycle hardware.
* Use a slider to input an inseam measurement between 60 and 100 centimeters to calculate a bicycle frame size estimate.
* Type a rider name into a text field to save the current frame size calculation to a local history list.
* Swipe left on a saved frame size profile to delete it, or tap a text button to clear the entire history list.
* Use a slider to select a chainring teeth count between 20 and 60 on the gear ratio screen.
* Use a slider to select a rear cog teeth count between 11 and 52 on the gear ratio screen.
* View a calculated gear ratio decimal number representing how many wheel turns result from one pedal stroke.
* Use a slider to input a chainstay length between 380 and 460 millimeters on the chain length screen.
* View a calculated required chain link count based on the manual inputs for chainstay length, chainring teeth, and rear cog teeth.
* View an informational text screen displaying the application version and offline privacy statement.
Offline engineering calculator for bicycle frame size, gear ratio, and chain length