Check the potential of your bike with the Binary system with a simple click!
Quickly and accurately calculate the optimal sprockets to use and verify with your own eyes the performance improvements over a classic rear derailleur.

Calculate and quickly and accurately identify the optimal chainrings to use on your bike with the Binary Gear® system.
In this area you can find the calculation tool that allows you to easily determine which type and size of optimal chainrings you should use on your bike with the Binary Gear® system with the resulting metric gear development, and compare it to the performance of a classic rear derailleur.