Viiiiva Heart Rate Monitor Monitor:Viiiiva HRM BONUS: FREE TRAINING WITH JOIN

BONUS: FREE TRAINING WITH JOIN CYCLING Every 4iiii power meter purchase includes 8 weeks of free premium training on the JOIN Cycling App

screws and O-ring

Engineered to be the best affordable power meter on the market

you send us your compatible crank arm

and then ship it back to you

Viiiiva Heart Rate Monitor Monitor:Viiiiva HRM BONUS: FREE TRAINING WITH JOINTAKE 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