The 4iii Viiiiva is 10 times more sensitive than most heart rate monitors, is 5 times more responsive, uses advanced beat-to-beat measurement and can store up to 65 hours of data. In addition this sensor also collects and transfers data from your other...

The CatEye Speed Cadence Sensor HR-12 with Bluetooh gives the best level of speed accuracy and cadence tracking and can be paired with an ANT+-capable devices.. Bluetooth . Cadence and Speed Model

This replacement elastic strap (size small) allows your Forerunner's wireless heart rate monitor to fit comfortably around the chest. It is compatible with the following devices.. Dakota 20 . Edge 305 . Edge 500 . Edge 705 . Edge 800 . eTrex 30 . fenixT ...

Garmin reserves the right to provide you with the finest products available to date like this replacement soft strap for Garmin's premium, heart rate monitor. It's water resistant to 30 metres and is compatible with Garmin's Heart Rate Module. One size...

This soft elastic strap allows your wireless heart rate monitor to fit comfortably around the chest and is compatible with the following devices.. Dakota 20 . Edge 305 . Edge 500 . Edge 705 . Edge 800 . eTrex 30 . fenixT . Forerunner 110 . Forerunner 210...

An Instinct You Can Rely OnIf you feel the whole world relies on you then you need to know that you can rely on INSTINCT to help you meet the demands of a busy lifestyle. Built to the U.S. military standard 810G for thermal, shock and water resistance...

Introducing the fenix 7 Sapphire Solar multisport GPS watch - the ultimate companion for your athletic and outdoor pursuits. With a scratch-resistant Power SapphireT solar charging lens and long-running solar power, this watch has the battery life to...

Accurate and real-time heart rateHowever you like to train, you'll get the accurate, real-time heart rate you need to take your performance to the next level. This Garmin HRM Dual Strap and Sensor transmits real-time heart rate data over ANT+...

Specifically designed for swimmers, the non-slip strap stays in place even with hard push-offs. The HRM-Swim stores and forwards heart rate data to compatible devices. Once out of water, real-time heart rate, interval summaries and stored heart rate are...