4iiii


4iiii XTR Precision 3.0 Power Meter

£479.00 £449.00 Sale

Pro-grade ±1% power accuracy with long battery life — performance data you can rely on every ride.

Crank Length: 170

In Stock | Estimated 3-5 Days Delivery

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Achieve your training goals with the 4iiii XTR Precision 3.0 Power Meter, a lightweight and highly accurate power meter designed to elevate your performance. Whether you're striving for a personal best, logging hours on the indoor trainer, or pushing your limits on the trail, precision and reliability are key. With a compact design and industry-leading technology, the PRECISION 3.0 ensures you have the data you need to unlock your full potential.

Engineered with +/-1% accuracy, the PRECISION 3.0 Power Meter delivers consistent and reliable power readings, allowing you to fine-tune your efforts and optimise your workouts. Boasting an impressive 800-hour battery life, this power meter is built to last through intense training blocks and long-distance rides. The waterproof IPX7 rating ensures durability in all weather conditions, so you can train with confidence no matter where your ride takes you.

The 4iiii XTR Precision 3.0 comes pre-installed on a Shimano XTR crank arm, making it easy to integrate into your existing setup. It seamlessly connects via ANT+ and Bluetooth to your favourite cycling apps and head units, ensuring compatibility with your preferred training tools. With an automatic terrain selector, advanced power analytics, and a hassle-free installation process, this power meter is your ultimate training companion.

Key Benefits

  • Highly Accurate Power Data: ±1% power accuracy for precise training
  • Extended Battery Life: Up to 800 hours on a CR2032 coin cell battery
  • Seamless Connectivity: Compatible with ANT+ and Bluetooth devices
  • Lightweight & Compact: Adds only 9g to the crank arm
  • Durable & Weatherproof: IPX7 waterproof rating for all-weather reliability
  • Automatic Terrain Selector: Adjusts power readings based on riding conditions
  • Ride Ready Installation: Pre-installed on a Shimano XTR crank arm
  • 3-Year Warranty: Industry-leading coverage for peace of mind
Product Specifications
  • Accuracy: ±1% power measurement
  • Battery Life: Up to 800 hours (CR2032 coin cell battery)
  • Connectivity: ANT+ & Bluetooth compatibility
  • Weight: Adds only 9g to the crank arm
  • Waterproof Rating: IPX7 (fully waterproof)
  • Crank Arm Compatibility: Pre-installed on a Shimano XTR crank arm
  • Bottom Bracket Compatibility: Hollowtech II interface
  • Features: Automatic terrain selector for optimised power readings
  • Warranty: 3 years, industry-leading coverage
Why We Choose 4iiii

We choose 4iiii because they’re at the forefront of cycling innovation, delivering world-class power meters and performance technology trusted by both pro teams and everyday riders. Their mission aligns with ours: making advanced training tools accessible, accurate, and reliable for all athletes.

  • Proven Accuracy – +/-1% precision power measurement for trusted performance data.
  • Innovation-Driven – Pioneers in lightweight, compact power meter design.
  • Ride Ready – Durable, weatherproof tech built for real-world cycling conditions.
  • Trusted by Professionals – Used by elite WorldTour cycling teams worldwide.

That’s why 4iiii is part of the North Sports collection — giving riders the tools they need to train smarter, push harder, and achieve their goals.

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