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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 : Electronics
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Garmin Hrm Pro Tri Heart Rate Strap Run 4.0 Swimming Running Hrm-dual Ant+ Bluetooth Bike Bicycle Cycling Computer Gps Hrm4-run - Bicycle Computer - AliExpress
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