Pay in 4 interest-free payments of $25.00 Learn more
Ships within 48 hours · Estimated delivery Sep 28 - Oct 3
automatic terrain selection
screws and O-ring
With the Factory Install Dual Upgrade
allowing you to track your bike’s location with ease
Built to handle everything from rough terrain and gravel to high RPM sprints
Viiiiva Heart Rate Monitor Monitor:Viiiiva HRM automatic terrain selectionTAKE YOUR TRAINING TO HEART The 4iiii Viiiiva is a precision heart rate monitor designed to capture the most accurate picture of your internal physiological effort. Whether youre pushing through a high intensity workout, pacing a marathon, or climbing the virtual mountains of Zwift, the Viiiiva provides the real time data needed to optimize performance, track cardiovascular fitness, and manage recovery with professional grade accuracy. Built for
US$ 59.99
US$ 11.42
US$ 129.99
US$ 79.99
US$ 72.99
