Polar T31 Coded Heart Rate Sensor coldtherapy but the V-shape of the

but the V-shape of the M3i creates width between the seat and handlebars to allow a comfortable ride for riders up to 7 ft tall

and it accelerates or decelerates with your stride rather than running at a preset speed

Polar H10 is compatible with top fitness apps

Power Cord

Is targeted vibration just for athletes

Polar T31 Coded Heart Rate Sensor coldtherapy but the V-shape of thePolar T31 Heart Rate Monitor At the heart of your training is the coded T31 transmitter. Its purpose is simple: to transmit your heart rate to your wrist unit. Slim and light, the ECG (electrocardiogram) accurate transmitter is fully waterproof and designed for all weather conditions Built to last up to 2500 hours of training usage Prevents cross talk from other electrical devices for accurate measurement of your training Non user replaceable battery