For demanding cyclists

The CS400 is the must-have choice for competitive cyclists. You can track your ride with wireless sensors, prepare detailed training programs with ease, and use the incline measurement to adjust your cycling effort during your ride. Foresee and remedy your calorie expenditure with cycling economy
Cycling limits helps you optimize your training
Measures incline and adjusts your effort accordingly
Select and monitor your training intensity with personal training zones
Further plan, monitor and analyze your training with the Polar ProTrainer 5 software