![Amazon.com : Garmin Unisex - Adult Heart Rate Chest Strap Extender - 12.8" Extender Strap, Fits Pro, Dual, Run, Swim, HRM-Tri.Total up to 56" Chest Strap Length, Black, M : Sports & Amazon.com : Garmin Unisex - Adult Heart Rate Chest Strap Extender - 12.8" Extender Strap, Fits Pro, Dual, Run, Swim, HRM-Tri.Total up to 56" Chest Strap Length, Black, M : Sports &](https://m.media-amazon.com/images/I/51wVbFF-PPL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Garmin Unisex - Adult Heart Rate Chest Strap Extender - 12.8" Extender Strap, Fits Pro, Dual, Run, Swim, HRM-Tri.Total up to 56" Chest Strap Length, Black, M : Sports &
![Amazon.com: Garmin HRM-Pro Plus, Premium Chest Strap Heart Rate Monitor, Captures Running Dynamics, Transmits via ANT+ and BLE & Speed Sensor 2 and Cadence Sensor 2 Bundle, Bike Sensors : Sports & Amazon.com: Garmin HRM-Pro Plus, Premium Chest Strap Heart Rate Monitor, Captures Running Dynamics, Transmits via ANT+ and BLE & Speed Sensor 2 and Cadence Sensor 2 Bundle, Bike Sensors : Sports &](https://m.media-amazon.com/images/I/51zF1vsNwvL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Garmin HRM-Pro Plus, Premium Chest Strap Heart Rate Monitor, Captures Running Dynamics, Transmits via ANT+ and BLE & Speed Sensor 2 and Cadence Sensor 2 Bundle, Bike Sensors : Sports &
![Amazon.com: Aproca Hard Travel Storage Carrying Case, for Garmin HRM-Pro/HRM -Tri Heart Rate Monitor : Electronics Amazon.com: Aproca Hard Travel Storage Carrying Case, for Garmin HRM-Pro/HRM -Tri Heart Rate Monitor : Electronics](https://m.media-amazon.com/images/I/71nI9w0Rf2L._AC_UF894,1000_QL80_.jpg)