Tacx FLUX 2 Smart Trainer – Accurate Indoor Cycling Trainer with App Connectivity

The Tacx FLUX 2 Smart Trainer elevates your indoor cycling experience with remarkable precision and performance. Engineered for cyclists seeking accuracy and stability, this smart trainer ensures every pedal stroke is measured within 2.5%, delivering reliable data on power, speed, and cadence. Its robust design supports intense efforts, including sprints up to 2,000 watts, while simulating climbs with gradients up to 16%, making every session challenging and rewarding.

Equipped with a heavy 7.6 kg flywheel, the FLUX 2 offers a smooth, realistic ride feel that closely mimics outdoor cycling. Its direct-drive mechanism minimizes noise and vibration, allowing you to train quietly without distractions. The trainer boasts enhanced compatibility with a variety of axle standards and seamlessly connects with popular training apps like Zwift and TrainerRoad via Bluetooth® Smart and ANT+® FE-C, supporting multiple device connections simultaneously for an integrated training setup.

Beyond its technical prowess, the Tacx FLUX 2 Smart Trainer provides access to Tacx Training™ software, featuring an extensive library of real-life videos and structured training plans tailored to your fitness level. Whether you're racing live opponents or exploring scenic routes, this trainer transforms your home workouts into immersive, interactive experiences that keep motivation high and progress steady.

What It’s Good For

• Delivering highly accurate and consistent performance data for power, speed, and cadence tracking.
• Providing maximum stability during explosive sprints up to 2,000 watts.
• Simulating realistic climb gradients up to 16% for challenging workouts.
• Offering a smooth, natural ride feel with a heavy flywheel for true-to-life responsiveness.
• Minimizing noise and vibration for quiet indoor training sessions.
• Supporting broad axle compatibility including 142x12 mm and 148x12 mm right out of the box.
• Enabling seamless connectivity with popular cycling apps and devices via Bluetooth and ANT+ protocols.
• Allowing standalone use with resistance increasing proportionally to speed when not connected to an app.
• Providing access to an extensive library of scenic videos and structured training plans through Tacx Training™ software.
• Allowing multiple device connections simultaneously for real-time performance monitoring.

What It’s NOT Good For

• Riders requiring compatibility with specialized SCS systems, which are not supported.
• Cyclists using cassettes or axle standards outside the supported Shimano/SRAM 9-11 speed, Campagnolo, or Shimano 12-speed Hyperglide+ configurations without additional adapters.
• Users seeking a completely silent setup, as despite minimized noise, some sound is inherent to direct-drive trainers.
• Outdoor training, as this trainer is designed solely for stationary indoor use.
• Those who prefer a simple, non-smart trainer without connectivity or software options.

Frequently Asked Questions

Is the Tacx FLUX 2 compatible with my bike?
The FLUX 2 supports standard direct-drive quick release axles (130/135 mm) and thru-axle sizes (142x12 mm and 148x12 mm). It also includes additional axle adapters to enhance compatibility. For non-standard bike dimensions, Garmin offers an adapter set as an accessory.

Can I use the trainer without connecting to an app?
Yes, the FLUX 2 functions in standalone mode, simulating a flat road where resistance increases with your speed, allowing effective training without any device connection.

Which training apps work with this trainer?
The FLUX 2 communicates via Bluetooth® Smart and ANT+ FE-C, making it compatible with many popular apps such as Zwift, TrainerRoad, and Tacx Training™ software.

How accurate are the power measurements?
The trainer measures power, speed, and cadence with an accuracy of less than 2.5%, providing dependable data for tracking your performance and progress.

Does it come with software?
Yes, the FLUX 2 includes a 1-month subscription to Tacx Premium software, offering a wide range of real-world video routes, structured training plans, and interactive features.