4iiii Viiiiva Heart Rate Monitor V2 V-2004iiii Viiiiva Heart Rate Monitor V2 With unmatched battery life, rugged water resistance, and dual ANT+ and Bluetooth connectivity, the 4iiii Viiiiva Heart Rate Monitor V2 ensures you never miss a beat - literally. Unrivalled Accuracy for Smarter Training The Viiiiva doesn’t just track your heart rate, it reveals the true story of your effort. By providing real-time, lab-grade data, it helps you fine-tune your training zones, optimise recovery, and push your limits with confidence. For cyclists who rely on data to drive progress, the Viiiiva eliminates guesswork, allowing you to train smarter, not harder. Pair it with a 4iiii power meter to unlock a complete picture of your performance, bri… £54.95Sigmasports.comDelivery: to United Kingdom ReportBuy!
