A black 4iiii Fliiiight Smart Trainer for indoor cycling, featuring a foldable design and mounted on a gray floor against a dark background.

4iiii

4iiii Fliiiight Smart Trainer

Name: 4iiii Fliiiight Smart Trainer
Brand: 4iiii
SKU: 871828004828
Price: 449.00 GBP
Availability: InStock

~~£479.00~~ £449.00 Sale

Accurate smart trainer resistance with seamless app connectivity — train smarter, smoother, and faster.

Product variants

In Stock | Estimated 3-5 Days Delivery

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Take your indoor training to the next level with the 4iiii Fliiiight Smart Trainer, a revolutionary flywheel-free, zero-contact system that delivers a smooth and quiet ride. Using direct induction resistance algorithms, this smart trainer eliminates tyre wear, minimises noise, and ensures your bike stays road-ready without removing the rear wheel. Its sleek, lightweight design also makes storage effortless, keeping your space clutter-free when not in use.

The Fliiiight Smart Trainer is fully compatible with Zwift, TrainerRoad, and other popular training platforms, offering seamless integration with Windows, Mac, iOS, and Android. With a virtual flywheel, this trainer provides an authentic road feel while keeping the setup compact and portable. Plus, with class-leading ±1% accuracy, there’s no need for spindown calibration before every ride—just power up and start training.

Designed for ultimate convenience, the Fliiiight Smart Trainer features rechargeable battery power, allowing you to train for over two hours without an external power source. Real-time performance tracking is accessible via iOS and Android apps, which also offer firmware updates, custom device naming, and diagnostic tools. Whether you're a competitive cyclist or a weekend warrior, this smart trainer is built to optimise your training experience.

Key Benefits

Zero-contact design – no tyre wear, no extra trainer tyres required
Near-silent operation – enjoy a quiet training session
Folds flat – compact and easy to store
Lightweight build – maximises portability
Virtual flywheel – reduces overall weight while maintaining a road-like feel
Class-leading accuracy – ±1.0% power measurement
No spindown calibration – ride-ready without additional setup
Rechargeable battery – provides 2+ hours of wireless training
Over-the-air firmware updates – future-proof your trainer with new features
Compatible with top training apps – supports Zwift, TrainerRoad & more
Multi-device connectivity – works with Windows (ANT+), Mac (ANT+/Bluetooth), iOS (Bluetooth), Android (ANT+/Bluetooth)

Product Specifications

Resistance Type: Direct induction resistance (zero-contact, flywheel-free)
Accuracy: ±1.0%
Noise Level: Near-silent operation
Calibration: Pre-calibrated, no spindown required
Power Source: Rechargeable battery (2+ hours of wireless use)
Connectivity:
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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 Norths Athlete collection — giving riders the tools they need to train smarter, push harder, and achieve their goals.