If you're looking for a compact and reliable speedometer/tachometer combo, the Trail Tech Vapor is a great choice. It's perfect for all kinds of riding, from cross country to trail riding to the track. The large digital tachometer bar graph is easy to read, and the programmable LED lights at the top blink when it's time to shift gears or during an over-temp event. The Vapor also includes other handy features like a built-in clock, odometer, and trip meter, making it a valuable addition to any rider's toolkit. So whether you're just starting out or are a seasoned vet, the Vapor is a great choice for keeping track of your speed and RPMs.