Polar T31 Replacement Elastic Strap Medium -- Want to know more, click on the image.
Polar Equine Belt For Riding+Polar H10
Troubleshooting your heart rate monitor/strap HR spikes
At the heart of your training is the coded T31. Its purpose is simple: to transmit your heart rate to your wrist unit. Slim and light, the ECG (electrocardiogram) accurate transmitter is fully water resistant and designed for all weather conditions.
Polar T31 Coded Transmitter
Pink polar watch and heart rate monitor - sporting goods - by owner - sale - craigslist
Polar Strap
Polar T34 Transmitter HR Chest Strap by Kettler Fitness (Model 392027802) : Sports & Outdoors
Transmits heart rate data to Polar heart rate monitors using 5kHz transmission and compatible gym equipment. Compatible heart rate monitors include,
Polar T31 Coded Chest Transmitter and Elastic Strap - Black
POLAR T31 Replacement Elastic Strap (Large) : Heart Rate Monitors : Sports & Outdoors
Transmits heart rate data to Polar heart rate monitors using 5kHz transmission and compatible gym equipment. Compatible heart rate monitors include,
Polar T31 Coded Chest Transmitter and Elastic Strap - Black