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Tacx FLUX 2 Smart Trainer

Josh Matthew June 6, 2024
5.00 out of 5 based on 1 customer rating
(1 customer review)


New resistance unit and flywheel results in a better ride feel and accuracy!

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Tacx FLUX 2 Smart Trainer

The award-winning FLUX Smart has now been upgraded to the new Tacx FLUX 2 Smart Trainer. Now featuring a bigger and stronger resistance unit and flywheel, the FLUX 2 allows for a wider simulation range, better ride feel and more accurate power measurement. In addition, the next-to-silent direct drive brings vibrations and noise levels to a minimum. The result is one of the most silent flywheel-equipped smart bike trainers on the market.

Of course the Tacx FLUX 2 features ANT+ and Bluetooth SMART compatibility which makes it compatible with all of the popular training apps such as Zwift, TrainerRoad and more. The trainer is also built tough. It can handle sprints of up to 2,000 watts, can simulate climbs up to a 16% incline and all while measuring your power within 2.5%!



Train with Confidence
The FLUX 2 Smart is designed to provide a reliable, accurate and consistent measurement of your power, speed and cadence, so you can keep track of your performance and progress.

Conquer Extreme Climbs
The well-balanced design of FLUX 2 Smart ensures maximum stability when cycling in even the most explosive sprints. It powers up to 2,000 watts, and you can train on realistically simulated inclines up to a 16% gradient, even at low speeds.

Smooth and Silent
A stronger resistance unit in combination with a heavier 16.8 lb. flywheel significantly improves the ride feel and responsiveness. This direct drive trainer is designed to bring vibrations and noise levels to the absolute minimum, resulting in one of the most silent flywheel-equipped bike trainers available.

Fully Connected
The trainer communicates via Bluetooth Smart technology and ANT+ protocol, making it compatible with a number of popular training apps such as Zwift, TrainerRoad and more.

Improved Compatibility
The FLUX 2 Smart trainer comes with additional axle adapters to significantly improve axle compatibility. This direct drive is compatible with 142 x 12 mm and 148 x 12 mm axles — right out of the box.


  • Suitable cassettes:
    • Shimano and SRAM: 8-11 speed
    • Campagnolo, SRAM XD and XD-R body (sold separately)
    • Not suitable for specialized SCS system
  • Suitable axles:
    • Quick release for road bikes and mountain bikes (5 mm)
    • Direct drive quick release with adapter set 142 x 12 mm and 148 x 12 mm

Tacx FLUX 2 Smart Specs

  • Accuracy: <2.5%
  • Wireless communication: ANT+ and Bluetooth SMART
  • Max. power: 2,000 watts
  • Max. incline: 16%
  • Output: Speed, cadence and power
  • Flywheel: 16.8 lbs.
  • Footprint: 26.4" x 25.3" (670 x 642 mm)
  • Height: 18.1" (460 mm)
  • Weight: 52.0 lbs.

In the Box

  • Tacx FLUX 2 Smart Trainer
  • Power adapter
  • Power cable
  • Quick release 5 mm
  • 142 x 12 mm adapter kit
  • Assembly kit
  • Manual
1 review for Tacx FLUX 2 Smart Trainer
  1. Efthymios Moutselos (verified owner)

    The trainer arrived in the time that was promised and in a perfect condition. Packaging is rigid and no signs of wear. I took it to the local bike store and put on an 11 speed 105 that i had purchased. So far i have 12 rides in. I have used the tacx software and also the zwift app. Both are nice. It took me a while to fully understand how the ergo mode works. Especially with zwift. Both apps came with a code for a month long subscription code. So far i am very happy with the trainer. I don’t have extensive experience with indoor trainers but this one is exactly what i was hopping for. It is so much easier to jump on the bike and put an hour of a workout. Also the feature of the video is nice. Interesting to see new places that you have never been. Also i think it will be interesting to do a ride on the trainer and compare it with a real life ride but i haven’t done it yet. Over all very happy with the purchase.

    • Power Meter City

      Hi Efthymios. We are glad it came on time and working well as expected. Good luck on your future rides and let us know if there is anything else we can help you with!

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