4iiii Viiiiva Heart Rate Monitor
The heart rate monitor of choice for top cycling teams like Jumbo Visma, the Viiiiva is so much more than your standard Heart Rate Monitor. Storing up to 65 hours of workout data you can be sure that your valuable data is never lost during a key training session.
It's not just a heart rate monitor: The Viiiiva can act as a ANT+-to-Bluetooth bridge to connect your ANT+ devices to a Bluetooth-only receiver such as a smartphone, tablet, or laptop. The lets you connect your ANT+ device with your favourite training software such as Zwift, TrainerRoad, TheSufferFest, Rouvy, and more.