Pay in 4 interest-free payments of $16.25 Learn more
Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
the PRECISION 3+ is your dedicated performance tool for years to come
Backed by our 3-year warranty and an IPX7 waterproof rating
With left/right balance
The 4iiii Viiiiva is a precision heart rate monitor designed to capture the most accurate picture of your internal physiological effort
Replacement PRECISION 3 & 3+ Powermeter cap and O-ring
Viiiiva Heart Rate Monitor PRECISION 3+ the PRECISION 3+ is yourTAKE 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