Forty Customs

The Forty Customs app is a clean, fast and intuitive companion built specifically for Super73 e-bikes. Designed with a minimalist philosophy, it gives you instant access to your bike's most important settings without unnecessary complexity. Whether you own one Super73 or several, the app makes it easy to manage multiple Super73 profiles, connect in seconds and personalize your riding experience. Features • Connect to compatible Super73 e-bikes via Bluetooth • Built-in turn-by-turn navigation on display • Manage multiple bike profiles • Settings are remembered and automatically applied after reconnecting • Real-time speedometer with a clean, easy-to-read interface • Adjust ride settings with an intuitive interface • Automatic connection to your preferred bike • 10 Second sprint mode challange • Clean, distraction-free design focused on speed and simplicity Built by riders, for riders Every interaction has been carefully refined to feel responsive and effortless, allowing you to spend less time navigating menus and more time enjoying your ride. Compatible with supported Super73 models. Acknowledgements: Portions of the Bluetooth implementation are based on research and documentation from the open-source Walker73 project by Axel Fougues.