Wow, Trail Tech just released a GPS system. Called the Trail Tech Voyager GPS , this system is full integrated and bike specific, built for motorcycles. Question: Voyager kits include physical sensors, magnets, and other cables. Why does the unit need this if it’s a GPS? Answer: You can use Voyager handheld without any sensors connected. However, physically bolting Voyager to your vehicle provides many advantages over what you are used to in a “standard” GPS. Power from the machine enables several integration features, such as extended run-time and maintenance-free charging. (Voyager can be run using only the internal battery and charged with a wall charger.) The engine temperature sensor monitors the health of your machine and enables two major features: engine temperature diagnostics and over-temp warning LEDs. The ignition sensor tells Voyager when the engine is running. This enables logging of tracks only when engine is running and tachometer display features. The wheel sensor ca