ViiiiVA Chest Strap Heart Rate Monitor - V200 Chains non-slip surface even when the

non-slip surface even when the pace gets frantic

The Coated Bearing has the same balls running on hardened-steel races with a 3-micron thick metallic coating making the races harder and smoother

Thanks to this unique mix of properties

With aero performance optimised

100% 3K Carbon

ViiiiVA Chest Strap Heart Rate Monitor - V200 Chains non-slip surface even when theThe 4iiii Viiiiva is a precision instrument designed to capture the most accurate picture of your internal physiological effort. Whether youre completing an intense workout, running 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 level accuracy. Built for athletes of all levels, the Viiiiva is designed for