Whether fighting for the yellow jersey, a podium spot in Kona, or for the race to the cafe, everyone deserves a power meter that they can depend on. All 4iiii Powermeters include patented 3D Strain Gauge technology to deliver +/- 1% accuracy. You can also be assured that your 4iiii Powermeter is as tough as you are, and that is why we offer an industry leading 3 year warranty.
Heart Rate Monitors
3D Strain Gauge Technology
Not everyone has a perfect pedal stroke. 4iiii is the only crank-based power meter to use 3 strain gauges to measure all forces in your pedal stroke. Our patented 3D Strain Gauge design has been 3rd party tested to +/- 1% accuracy providing you with data that you can rely on to help you reach your fullest potential.
3 Year Warranty
A lot can happen in 3 years. You probably won’t need to use it, but it’s reassuring to know that all 4iiii Powermeters are backed by an industry leading 3-year warranty.
World Tour Quality at an Industry Leading Price
You invested a lot of money in your new bike. The last thing you want to do is spend more on upgrades. 4iiii Powermeters deliver WorldTour quality at a price point that’s easy on your wallet. We’ve helped athletes succeed at the Olympics, the Tour de France, Kona, and their local Strava segment. We’re ready to help you reach your full potential.
Factory Install?
Have an existing crankset that you would like a power meter on? With our Factory Install option you can send your crank to us and we will install a 4iiii Powermeter on it. We offer Factory Installs on a wide variety of cranks, including SRAM and Cannondale. Factory Install powermeters come with our standard 3 year warranty.
Ride Ready?
Want the power to ride right away? Choose between a variety of Shimano left-sided and dual-sided cranksets with a 4iiii Powermeter pre-installed and ready to ride. All 4iiii Powermeters come with our 3 year warranty.