4iiii PRECISION 3+ PRO Dual-Sided Powermeter - Ride Ready maintenanceThe 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
This Ride Ready unit comes pre-installed on a brand-new Shimano crank arm
Ironman triathlete
simply swap your left-side crank and start training
allowing you to track your bike’s location with ease
With the Factory Install Dual Upgrade
Built to handle everything from rough terrain and gravel to high RPM sprints
The 4iiii PRECISION 3+ PRO Powermeter is our most advanced power meter
the PRECISION 3+ PRO is your dedicated performance tool for years to come
or a cyclist looking to analyze left/right balance to optimize your pedal stroke
and an industry-leading 800-hour battery life
simply install the new cranks and start training
Pair the Viiiiva with a 4iiii power meter to seamlessly link external output (Watts) and internal response (bpm)
