Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports, Black & Pro Chest Strap - Heart Rate Monitor Belt
Heart Rate Monitor Chest Replacement Strap, Elastic Sport Adjustable Soft HR Sensor Belt Chest Mount Straps Bands for Run Cycling, Compatible with Equipment Wahoo Garmin Polar, Buckle Distance 1.77"
Heart Rate Monitor Chest Replacement Strap, HR Sensor Belt Compatible with Equipment Wahoo Garmin Polar, Elastic Sport Adjustable Soft Chest Mount Straps Bands for Run Cycling, Buckle Distance 1.77"