4iiii PRECISION 3+ Left-Side Powermeter - Ride Ready Compatible Left Crank:Shimano - Ultegra FC-R8100 172.5mm Whether you’re prepping for a

Whether you’re prepping for a local Gran Fondo or aiming for a new FTP personal best

BONUS: FREE TRAINING WITH JOIN CYCLING Every 4iiii power meter purchase includes 8 weeks of free premium training on the JOIN Cycling App

durability

and an industry-leading 800-hour battery life

The 4iiii PRECISION 3+ Powermeter is the ultimate combination of accuracy

4iiii PRECISION 3+ Left-Side Powermeter - Ride Ready Compatible Left Crank:Shimano - Ultegra FC-R8100 172.5mm Whether you’re prepping for aThe 4iiii PRECISION 3+ Powermeter is the ultimate combination of 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 simply looking to add the structure of data to your training, this crank based power meter provides the consistent data you need to unlock your potential. Engineered to be the best affordable power meter on the market, the