4iiii Chest belt Viiiiva 2.0
The 4iiii Viiiiva 2.0 chest strap is an accurate heart rate sensor that shows you in real time how your body reacts to stress. Whether you're training intervals, running long distances, or riding in a virtual world, you'll get reliable data for more effective training, fitness monitoring, and better recovery planning. The durable design, long battery life, and comfortable elastic waistband make it secure with every move.
In combination with the 4iiii PRECISION 3+ power meter, you get a complete overview of your performance - watts show external work, heart rate shows the body's internal response. Together they allow for precise setting of training zones and tracking of progress. When not active, it is recommended to disconnect the middle part of the belt from at least one side to prevent unnecessary battery drain.
- Accurate heart rate measurement for a detailed overview of physiological stress
- Communication via ANT+ and Bluetooth Smart for connection to cycling computers, watches and apps
- Long battery life for long-term use without frequent replacement
- Waterproof design according to IPX7, suitable even for demanding conditions
- Comfortable elastic chest strap with adjustable circumference
- Compatible with popular training apps on the Apple Store and Google Play
- The ideal complement to the 4iiii PRECISION 3+ power meter for comprehensive power analysis
| Weight | 46 g |
| Connectivity | ANT+ + Bluetooth Smart |
| Battery life | 540 hours |
| Waterproof | IPX7 |
| product ID | 385350 |
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