4iiii PRECISION 3+ PRO Dual-Sided Powermeter - Ride Ready Crankset:Shimano - Dura-Ace FC-R9200 170mm (52/36T) Replacement PRECISION 3 & 3+

Replacement PRECISION 3 & 3+ Powermeter cap and O-ring

the PRECISION 3+ is your dedicated performance tool for years to come

The 4iiii Viiiiva is a precision heart rate monitor designed to capture the most accurate picture of your internal physiological effort

With the Factory Install process

4iiii PRECISION 3+ PRO Dual-Sided Powermeter - Ride Ready Crankset:Shimano - Dura-Ace FC-R9200 170mm (52/36T) Replacement PRECISION 3 & 3+The 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