Garmin HRM4-Run In Stock Ships same day*

Garmin HRM4-Run

HRM-Run heart rate monitor provides the most advanced running metrics to high end Garmin GPS watches. 

• Forerunner® 735XT
• Forerunner® 630
• Forerunner® 920XT
• fenix 3
• epix

The small, lightweight module fits entirely within the width of the seamlessly comfortable, easily adjustable non-slip strap, while providing advanced heart rate and physiological features such as:

• VO2 max
• Lactate threshold
• Recovery time estimates
• Stress score
• Performance condition
• Predicted race times

As well as 6 running dynamics measurements:

• Cadence
• Vertical oscillation
• Ground contact time
• Vertical ratio
• Stride length
• Left/right ground contact time balance

This real-time data can help athletes take their performance to the next level. 

Video Help Guide: How to replace the battery in your Garmin Heart Rate Monitor (HRM)