Pay in 4 interest-free payments of $42.50 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
BONUS: FREE TRAINING WITH JOIN CYCLING Every 4iiii power meter purchase includes 8 weeks of free premium training on the JOIN Cycling App
Ironman triathlete
This Ride Ready unit comes pre-installed on a brand-new Shimano crank arm
it is built to withstand the elements and your highest-intensity efforts
we install the power meter
4iiii PRECISION 3+ Left-Side Powermeter - Factory Install Compatible Left Crank:Shimano - Ultegra FC-R8000 BONUS: FREE TRAINING WITH JOINThe 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
