It doesn't matter if you call a bike, bicycle, bici, bicicletta or fiets..you need a frame that fits to your body.

This is a pretty little tool for calculating the right frame size for your bike.
It doesn't matter which type of bicycle you want to calculate. Most bike types are available in this app.
Just scroll the wheels to the right value and you will see all results for bike & frame size.
Attention please:
The calculation of frame sizes is done by the german method, this is belonging to the seat tube from middle of bottom bracket to top of seat tube

In addition to our cost free version, we developed this PRO version which contains some further interesting functions and features.

1) Frame calculation for MTB, Fully, Hardtail, Race bike, Trekking bike, Triathlon.

2) Additional calculations for Handlebar, Stem, Crank and Top tube

3) Choose your favourite colour from a range of nearly 200 colours (RAL Classic) and see the result presented in an amazing and detailed 3D bike model. Try one, two or three fingers to rotate, zoom and move it).

4) 5 Languages integrated (English, German, Spanish, Italian, French)

There is no easier way to design your own bike. Enjoy the APP.

Further functions can be added. Just let us know your suggestions.