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Replacement PRECISION Powermeter cap and O-ring
the PRECISION 3+ PRO is your dedicated performance tool for years to come
or climbing the virtual mountains of Zwift
Built for athletes of all abilities
Viiiiva Heart Rate Monitor Monitor:Viiiiva HRM Replacement PRECISION Powermeter cap andTAKE 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
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