You can train even more efficiently with a bicycle computer. With this accessory, you get data from your bicycle ride and get more insight into your performance. There are many different types of bike computers. Simple computers that measure your speed, time, and cycling distance and display the time. Or elaborate models that you can connect to various sensors with which you can measure heart rate, cadence, and altitude, for example. Everything to gain as much insight into your own abilities as possible and to be able to launch that attack on the KOM next time!