Pay in 4 interest-free payments of $25.00 Learn more
Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
Built to handle everything from rough terrain and gravel to high RPM sprints
With the Factory Install Dual Upgrade
you send us your compatible crank arm
and then ship it back to you
4iiii - Specialized 26oz Purist Water Bottle w/2
Viiiiva Heart Rate Monitor Monitor:Viiiiva HRM Built to handle everything fromTAKE 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
