Magene Optical Armband HRM Sensor bikecorp Combine with other SiS energy

Combine with other SiS energy supplements to hit hourly 60-90g carbohydrate intake

The weather resistant PU coated YKK zip offers ample access with the crescent zipper pull making it easy to open while on the move

Suits handlebar sizes 31

Compact and padded top tube bag for any bike or top tube with built-in water bottle bosses

Magene Optical Armband HRM Sensor bikecorp Combine with other SiS energyA New Accurate, Comfortable and Convenient Option for Exercise The Magene H803 heart rate armband ensures safe exercise with a super accurate real time heart rate monitor. With its adjustable armband, you can exercise wherever you want. The thoughtful design enhances comfort and convenience, allowing you to explore nature with confidence while wearing this heart rate armband. Accurate Real time Heart Rate Monitoring The H803 heart rate armband