The Garmin HRM Pro is the best all around Heart Rate Sensor you can have.
Heart Rate — the Easy, Accurate Way
This comfortable, lightweight premium heart rate strap transmits real-time heart rate data over ANT+ connectivity and other Bluetooth technology, giving you more training options. Consistently receive accurate heart rate on your compatible Garmin device, in online training apps such as Zwift or even the compatible fitness equipment like Peloton or Mirror.
Track Running Dynamics
In addition to heart rate, HRM-Pro captures running dynamics that can help you improve your form. That includes metrics such as vertical oscillation, ground contact time, stride length, vertical ratio and more.
Store and Forward Your Data
The device stores heart rate data during swimming or other activities while your watch is out of range, then sends that data to your watch once the activity is finished. It will also store steps, calories and intensity minutes, then sync them to your watch as well.
Heart Rate Sensors & Straps
Garmin Dual Heart Rate Transmitter Bluetooth & ANT