If you are terminally ill with cycling, then this is the best thing you have seen. When cycling for 30 hours, it is enough just to recharge, for example, during a snack. And continuously for 22 hours is enough. At -20°C, mounted on the steering wheel, it works as if nothing had happened. Measures slopes. With runs over 250 km, a very important function. If your mileage is less than 3-4 thousand per year, then this may be an irrational purchase. You can install additional applications through the original content. For example, I installed hiking, skating and skiing.