Tacx Flux 2 Smart Trainer, T2980 Standard bundle
Includes extra cassette freehub body ?
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Capable smart trainer with full cycling app compatibility
- Measure your power with 2.5% accuracy
- Near-silent trainer lets you ride without disturbing others
- Compatible with popular third-party apps such as Zwift and Tacx
- Train on realistically simulated gradients of up to 16% with a maximum sprint resistance of 2000 watts
- Robust construction lets you train intensely and stand on the pedals

The iconic FLUX Smart has now been upgraded to the Tacx FLUX 2 Smart. A larger, stronger sprint resistance unit and a heavier flywheel give the trainer a wider simulation range, better ride feel and more accurate power feel.
This trainer has everything you need for enjoyable and effective indoor training.
Train with confidence
The internal mechanics of the Flux Smart trainer have been redesigned to improve ride feel and data measurement.
The result is the FLUX 2 Smart – a trainer designed to deliver reliable, accurate and consistent power, speed and cadence measurement so you can keep an eye on your performance and progress. It measures power with 2.5% accuracy.
Conquer tough climbs
The balanced design of the Flux 2 Smart ensures maximum stability even during the most explosive sprints. Sprint resistance is up to 2000 watts and you can train on realistically simulated gradients of up to 16%, even at low speeds. This trainer is a good choice for simulating accurate climbs.
No matter how intense your training is, this trainer is built to last. Large support legs and durable materials ensure maximum stability.

Smooth and quiet
A stronger sprint resistance unit combined with a heavier (7.6 kg) flywheel noticeably improves ride feel and feedback.
The trainer is designed to keep vibration and noise levels to an absolute minimum, making the FLUX 2 Smart one of the quietest flywheel trainers.
Fully connected
The trainer communicates via Bluetooth Smart technology and ANT+ FE-C protocols, making it compatible with most popular training apps.
Whether you want to ride a famous cycling route with Tacx software, conquer Zwift's virtual world or use other platforms such as TrainerRoad, this trainer lets you ride smarter than ever.
You can also use the trainer in standalone mode. When not connected, it simulates a flat road – the faster you ride, the greater the resistance.
The trainer can be connected to several different devices at once, so you can enjoy your favourite software while tracking your performance on your Garmin bike computer.
Improved compatibility
The FLUX 2 Smart trainer comes with additional adapters to improve axle compatibility. Out of the box, the trainer is compatible with 142x12mm and 148x12mm axles.

Train your way
The FLUX 2 Smart harnesses the innovation of Tacx indoor training software.
Make the most of your time in the saddle with a library of more than 100 high-quality real-life videos that let you experience riding in the high Alps or on the cobbled streets of Milan.
Take advantage of effectively structured training plans designed for your fitness level so you can achieve your unique goals.
Race against other real people in real time, upload GPS data, ride on 3-D maps, create your own workouts based on slope, power, heart rate or FTP, and share your results on Strava.
Included in the box is a standard Shimano/SRAM cassette body that fits Shimano/SRAM 8-11 speed cassettes.
If you use cassettes with other specifications, the following cassette bodies are available separately:
- Shimano Micro Spline 12-speed
- Campagnolo 9-12 speed body
- SRAM XD-R 11-12 speed
- Campagnolo 13-speed body
Not compatible with the Specialized SCS system.
SRAM 12-speed is supported with the XD-R body only.
| Magnets | 8 permanent ferrite magnets and 8 electromagnets |
| Transmission | None |
| Power supply | 110-240 Volts |
| Power indicator | None |
| Connection indicator (ANT+/BLUETOOTH) | 2 LEDs |
| Compatible cassettes | Shimano and SRAM: 8-11 speed. Campagnolo, SRAM XD and XD-R body (available separately). Not compatible with Specialized SCS systems. |
| Compatible axles | Rear dropout width: road bike 130 mm, MTB 135 mm, 142 mm and 148 mm. Adapter available for 135 x 10 mm. |
| Max power | 2000 watts |
| Max incline | 16% |
| Descent simulation | None |
| Max torque | 41 Nm |
| Max braking force | 120 N |
| Flywheel | 16.8 lbs (7.6 kg) |
| Mass inertia | 68.8 lbs (31.2 kg) |
| Calibration | Descent |
| Dimensions | 26.4" x 25.3" (670 x 642 mm) |
| Height | 18.1" (460 mm) |
| Weight | 52 lbs (23.6 kg) |
| Wireless connectivity | ANT+; BLUETOOTH |
| Control | Smartphone, tablet, ANT+ bike computer, computer via ANT+ antenna |
| Output data | Speed, cadence, power |
| Data display | Smartphone, tablet, bike computer, computer via ANT+ antenna |
| Accuracy | <2.5% |
Standard kit
- Flux 2 Smart Trainer
- Quick release for road and mountain bikes (5 mm)
- Direct drive quick release with adapter set (142 x 12 mm and 148 x 12 mm)
- 1-month Tacx Premium software