Gear Ratios

As a cyclist you need to know your bike. In order to get the most out of your gears you need to try with different combinations of chain rings, cogs, wheels and tire sizes which is a time consuming task.
'GearRatios' is an app designed to help you find matching combinations in your bike or any components offered by manufacturers, so that you can switch to a different setup maintaining your speed within a ten percent margin.
Choose different sizes and experiment with the results so that your next ride becomes easier.

The user interface has been designed for the screens on the following devices: iPhone 8 (all models), iPhone 11 (all models), iPhone 12 (all models), iPhone SE 2nd generation, Apple Watch (40mm, 42mm, 44mm).