Polar RCX3M Bike Bike computer with heart monitor black. Polar RCX3 Training Computer / Heart Rate Monitor Watch. Polar H3 Heart Rate Sensor. Polar CS Speed Sensor W.I.N.D and Magnet. W.I.N.D. Features. Zone Optimizer. Polar Sport Zones. Manual Target Zone. Training Load. Fitness Test. Smart Calories. Universal Bike Mount. Polar RCX3 "Getting Started" Guide. CS Speed Sensor W.I.N.D. User Manual. Water Resistant - 30m. [Warranty:] 2 Years.