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automatic terrain selection
the PRECISION 3+ PRO Powermeter provides the most detailed insight into your riding
a Zwift racer
Replacement PRECISION Powermeter cap and O-ring
Pair the Viiiiva with a 4iiii power meter to seamlessly link external output (Watts) and internal response (bpm)
4iiii PRECISION 3+ PRO Dual-Sided Powermeter - Factory Install - Dual Upgrade Precision automatic terrain selectionThe 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