A reengineered tread pattern designed for all-out speed

the Astr RS helps racers conserve energy and hit the finish line with more power than the competition

This keeps the rest of the pump cool

Weight: 225 g

magene h603 heart rate monitor Mog A reengineered tread pattern designedThe Magene H603 Heart Rate Monitor (Chest) helps you accurately monitor your heart rate while exercising. Key Features of the Magene H603 Heart Rate Monitor (Chest): Accurate Real time Heart Rate Monitoring Choose between various colors Split chest strap design to bring you a better product experience Long Battery Life, Lasts for 1000 Hours Support Dual Protocol of ANT+ and Bluetooth allows connection to most devices.