Meet FOBO Bike for Trikes: a smart tire pressure monitoring system that pairs with your smartphone to let you know when your tires are deflated. The app lets you track up to 19 wheels. The device lets you improve your fuel efficiency and prolong tire tread life.
These sensors monitor each tire’s temperature and pressure up to 87 psi. The app lets you set upper and lower thresholds of air pressure. More information is available here.