Everyone

Christoph Galle

Donut

Beta Version 5 (Update 11)

Calculation helper for bicycle entusiasts and professionals.

This app is currently under development.
More features will be added in future updates.

It calculates:
- Spoke length
- Chain Length
- Tire circumference from diameter or ISO
- Gear Inches and Transmission ratio
- Shifting Capacity with rear derailleur recommendation.
- Frame Size

Support for Android 1.6 and higher

Some descriptions and manuals will be added soon.

Mainmenu can be reached through the menu or the back-button.

Tell me if you have suggentions, wishes or you're just happy with it.


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