Viiiiva Heart Rate Monitor maintenance-parts

Viiiiva Heart Rate Monitor maintenance-partsTAKE 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

Ironman triathlete

The 4iiii PRECISION 3+ Powermeter is the ultimate combination of accuracy

and lightweight design

JOIN provides flexible

adaptive training plans that sync perfectly with your new PRECISION 3+ data

or a cyclist simply looking to add the structure of data to your training

track cardiovascular fitness

With the Factory Install Dual Upgrade

you send us your compatible crank arm

the PRECISION 3+ PRO is your dedicated performance tool for years to come

The Viiiiva is a reliable cornerstone of your training toolkit

pacing a marathon