Cassettio is a collection of free cycling specific calculators. We aim to inform users on how a bike performs, given its specifications. We also hope to do it with a bit of style.
Cassettio is particularly helpful when planning a mechanical change. Next time you're planning to change wheels, rings or a cassette, run it through Cassettio first.
If you want to see more, a great place to start is taking a closer look at your current bike. Our Speed/Cadence Calculator will show you how fast you can travel in each gear, over a range of cadence.
Like most web apps, Cassettio is built using several tools, frameworks and libraries. Special thanks to the following projects, which are both powerful and great to use: