4iiii Viiiiva Heart Rate Monitor
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Regular Price
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$149.95
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Sale Price
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$149.95
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Regular Price
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$149.95
Out of Stock - Call for ETA
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Unit Price
- per
- Regular Price
- $149.95
- Sale Price
- $149.95
- Regular Price
- $149.95
- Unit Price
- per
Take your training to heart.
The 4iiii Viiiiva is a precision heart rate monitor designed to capture the most accurate picture of your internal physiological effort. Whether you’re pushing through a high-intensity workout, pacing a marathon, or climbing the virtual mountains of Zwift, the Viiiiva provides the real-time data needed to optimize performance, track cardiovascular fitness, and manage recovery with professional-grade accuracy.
Built for athletes of all abilities, the Viiiiva is engineered for comfort and extreme durability. With 540+ hours of battery life and an IPX7 waterproof rating, it is built to withstand the elements and your highest-intensity efforts. The Viiiiva is a reliable cornerstone of your training toolkit, providing the pulse of your performance every time you move.
Combine the Viiiiva with a 4iiii power meter to seamlessly link external output (Watts) and internal response (bpm). This combination provides a total understanding of training efficiency, allowing you to optimize training zones and track fitness gains with total precision.
Ultimate Power Couple
The Viiiiva Heart Rate Monitor is the perfect partner for your 4iiii Power Meter, providing a complete picture of your training and racing. While power measures your external output (Watts), heart rate tracks your internal physiological response (bpm), giving you a total understanding of effort, fitness, and efficiency that power alone cannot show. Together, they allow you to optimize your training zones and track progress with total precision, making the 4iiii Viiiiva and PRECISION 3+ the ultimate power couple.
Designed with comfort in mind, the Viiiiva features an impressive 540+ hour battery life and an IPX7 waterproof rating, offering premium performance you can truly take to heart.
Features
540+ Hour Battery Life
With over 540 hours of life from a single CR2032 coin cell, you won’t have to worry about frequent battery changes for your Viiiiva.
Engineered for durability, our IPX7 water-resistance rating ensures your heart rate monitor keeps pace with you, handling your most grueling training days without missing a beat.
Get the same numbers training inside and outside. The Viiiiva is both ANT+ and BLE compatible so you can use it on your preferred head unit and favorite indoor training app.