4iiii

Precision 3+ Power Meter RX810 GRX

4iiii Precision 3+ Power Meter RX810 GRX brings next-level accuracy and convenience to every ride, combining advanced power data with modern connectivity and the security of Apple’s Find My network. Designed for cyclists who demand precise performance metrics without the bulk, this ultra-light, low-profile power meter delivers powerful insights in a sleek 9g package.

With an impressive 800-hour battery life and incredible ±1% accuracy, the Precision 3+ keeps your training consistent and your rides worry-free. Whether you’re grinding gravel, conquering climbs, or cruising smooth tarmac, the automatic terrain selector ensures accurate readings no matter the conditions. When the ride’s over, the built-in Apple Find My integration helps you locate your power meter in seconds—because losing gear should never slow you down.

Key Features:

• Apple Find My support – Track your power meter’s location right from your iPhone, iPad, or Apple Watch.
• Incredible battery life – Up to 800 hours from a single CR2032 coin cell keeps you riding longer with fewer swaps.
• ±1% accuracy – Reliable data to measure progress and fine-tune your training.
• Lightweight and low profile – At just 9 grams, it adds virtually no bulk to your crank arm.
• Dual ANT+ and Bluetooth connectivity – Seamlessly transmits watts, cadence, and calories to your favorite head unit or training app.
• Wide measurement range – 30–170 RPM cadence and 0–4000 W power range for every type of rider.
• Waterproof and durable – Ready for any ride, from wet cyclocross races to dusty adventure routes.
• 3-year warranty – Ride with confidence backed by one of the best warranties in the industry.

The 4iiii Precision 3+ Power Meter RX810 GRX is built for cyclists who value performance, reliability, and innovation. It turns every ride into a data-driven experience—so you can train smarter, push harder, and never lose track of your gear.