Don't Limit
Your
 Potential
Depended on by the top athletes in the world, and those just riding to their local coffee shop
Find the Power Meter That's Right For You
Powermeters
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.
Powermeters
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.
Ride Ready or Factory Install
Add power to your current crankset or purchase a new crank with our powermeter pre-installed. With our Factory Install option, you send us your crank, we install power on it and send it back to you in less than 2 weeks. We offer Factory Installs on a wide variety of cranks including SRAM, Cannondale and Campagnolo. Our Ride Ready offerings include a variety of Shimano left-sided and dual-sided cranksets that come with a 4iiii Power Meter pre-installed and ready to ride. Both options come with our standard 3 year warranty. Not sure what works best for you? Let us help you choose.