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£8.99Visit shop
Garmin Forerunner 735XT Tri-BundleDate display, Temperature sensor, Timer …, Men's, Women's, HRM chest strap included, Support for HRM chest strap, Built-in, 2016£347.99Compare prices
Garmin Forerunner 945 Tri-BundleDate display, Timer, Bluetooth …, Men's, Women's, HRM chest strap included, Support for HRM chest strap, Built-in, 2019£652.49Compare prices
Garmin Forerunner 935 Tri-BundleDate display, Timer, Barometer …, Men's, Women's, HRM chest strap included, Support for HRM chest strap, Built-in, 2017(1)£521.99Compare prices