This strap is compatible with T31 coded and non-coded chest transmitters and any T series exercise equipment.

Have an extra strap for when the other strap is in the wash, for another user or if your elastic strap is showing wear.

…measures your heart rate but also seamlessly adapts to your body shapes so you feel as if it?s not even there. The transmitter consists of an electrode strap and a connector, and with its new side-clip mechanism, it?s just as quick to put on as it is to take off.

Measure your heart rate with (continuous) or without (non-continuous) a chest transmitter. Many features are included like target zone, calories, recovery timer and time of day.

This slim, light and waterproof T31 doesn?t have the benefit of coding for interference free transmission. However, its purpose remains the same: to transmit your heart rate to your wrist unit ECG (electrocardiogram) accurately.

…field to improve resolution and eliminate interference. The WearLink+ W.I.N.D. Transmitter Set is a result of that dedication. With a soft textile chest strap it?s the latest generation of Polar?s proprietary heart rate sensing and transmission technology. Polar W.I.N.D. technology eliminates interference…

Elastic straps are used to wrap the heart rate transmitter around the chest.

"Our robust ANT wireless heart rate monitor with softer, more comfortable chest strap and superior battery life eliminates cross-talk with other devices to reliably measure and send heart rate data to help you train in your zone."

…complete 180 from any other fitness product you've ever seen. Now you can accurately monitor your heart rate with One-Touch Technology-and no bulky chest strap. Now you can count your steps, calories burned and distance with a built-in accelerometer-based pedometer. And now you can do it 24/7, 365 days a…

…complete 180 from any other fitness product you've ever seen. Now you can accurately monitor your heart rate with One-Touch Technology-and no bulky chest strap. Now you can count your steps, calories burned and distance with a built-in accelerometer-based pedometer. And now you can do it 24/7, 365 days a…

This slim, light and waterproof T31 Coded transmitter offers coding to prevent cross-talk from other electrical devices for accurate measurement of your training. ECG (electrocardiogram) accurate and built to last with up to 2500 hours of training usage.

The most practical way of measuring your cycling session is with our advanced wireless cadence sensor. It measures your pedaling rate as revolutions per minute in real time and average time so you can compare the technique of your ride against previous rides.