Pay in 4 interest-free payments of $50.00 Learn more
Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
With 540+ hours of battery life and an IPX7 waterproof rating
Pair the Viiiiva with a 4iiii power meter to seamlessly link external output (Watts) and internal response (bpm)
Engineered to be the best affordable power meter on the market
With the Factory Install Dual Upgrade
the PRECISION 3+ PRO Powermeter provides the most detailed insight into your riding
4iiii PRECISION 3+ PRO Dual-Sided Powermeter - Factory Install - Dual Upgrade Precision With 540+ hours of batteryThe 4iiii PRECISION 3+ PRO Powermeter is our most advanced power meter, offering the ultimate combination of dual sided accuracy, durability, and lightweight design. Whether you are a Tour de France pro, a Mountain Bike World Champion, Ironman triathlete, a Zwift racer, or a cyclist looking to analyze left right balance to optimize your pedal stroke, this dual sided crank based power meter provides the comprehensive data you need to unlock your