Owning a trike comes with certain responsibilities, such as making sure its tires have proper pressure level. FOBO Bike for Trike is a Bluetooth tire pressure monitoring system that lets you monitor each tire’s temperature and pressure. It works with iOS and Android devices, allowing you to see real-time readings on your smartphone.
The app lets you monitor up to 19 wheels. You get three levels of alerts when your thresholds are breached. Costs under $140 at this time.[where to get it]