Transform your training with the 4iiii PRECISION 3+ Ride Ready 105 FC-R7100 Power Meter, delivering accurate and reliable power data directly from your left crank arm.

The 4iiii PRECISION 3+ Ride Ready Power Meter, pre-installed on a Shimano 105 FC-R7100 left crank arm, offers an incredibly accessible and precise way to measure your cycling power. Featuring 3D power measurement, it accounts for tri-axial strain on your crank, providing highly accurate and consistent data crucial for optimizing your training and racing. This ‘Ride Ready’ solution means it’s ready to install straight out of the box, offering simple setup, long battery life (up to 800 hours), and seamless connectivity via ANT+ and Bluetooth, making it an indispensable tool for any serious cyclist.

• Pre-installed on a Shimano 105 FC-R7100 left crank arm for immediate ‘Ride Ready’ installation.
• Industry-leading +/-1% accuracy for precise power measurement.
• 3D power measurement technology accounts for strain in all directions.
• Exceptional battery life of up to 800 hours on a single coin cell battery.
• Connects via ANT+ and Bluetooth for broad compatibility with head units and apps.
• Lightweight design adds minimal weight to your crankset.