Tacx Flux S Smart T2900S roller

The most accessible direct drive Smart trainer on the market!

The Flux is a compact and realistic direct drive interactive trainer that is maintenance free. The response of the trainer is immediate, the Smart electronics together with the 7 kg flywheel transmit the variations in effort, even the most subtle, directly to your legs.

Of all the Tacx rollers the Flux has the heaviest flywheel, with a perceptible effect up to 23 kg. The higher the inertia of the flywheel, the more realistic the pedaling experience will be. It uses the ANT+ and Bluetooth® Smart language to communicate and can be connected wirelessly to smartphones and tablets. The ANT+ and FE-C protocol allows you to train with the Tacx App but also with third-party apps such as Zwift and TrainerRoad. You can use the trainer even without any connection, if you don't connect it to anything it will simulate a flat path.

Connection to PC
Do you have a Flux Smart and are you looking to get everything the Tacx apps can give you? You can achieve this by connecting the trainer to your computer. This way you can train with the Tacx Trainer 4 Advanced Software. Unlike your tablet or smartphone, you can use your computer to adjust resistance and view performance data. For example, the software on the PC offers longer videos and in HD or Blu-Ray resolution. As you pedal, the resistance to your rear wheel is automatically adjusted as the slope increases or decreases.
To connect the Flux Smart to your Windows PC you need the Smart Upgrade, this package contains the Trainer 4 Advanced software, a handlebar mounted controller and the ANT+ antenna.

• Software Tacx apps & Third party apps. PC software upgrade.


• Automatic operations.


• Direct Drive resistance unit.


• Realistic simulated 10% slope with a total weight of 75 kg.


• Simulated descent: no.


• Maximum braking power (10 s): 1500W.


• Inertial mass: 22.8 kg (flywheel effect: the higher this value, the more realistic the cycling experience).

Electromagnetic brake
The Flux Smart roller works with an electronic brake. By placing magnets and electromagnets around a rotating aluminum disk, Foucault currents are generated and these generate an opposing magnetic field. In this way, a contact-less and maintenance-free brake is created, which is also extremely silent. Thanks to the electronic brake, the appropriate resistance can be set to simulate both flat roads and mountains.

Virtual speed
When you are cycling in virtual reality or in a movie you risk exceeding the performance the electronic brake is designed for. To allow cyclists who use rollers equipped with electronic resistance to compete with rivals equipped with electric brakes in Multiplayer challenges, Tacx has developed virtual speed. This functionality translates the additional energy required into speed, so as to guarantee an equal comparison. If this speed differs from the speed at which the rear wheel actually turns, it is shown in red on the screen.

Software and Apps
You can connect the Tacx Smart trainer to your smartphone, tablet or computer with ANT+ or Bluetooth Smart to use our software and apps, or that of others. You can also use it independently, without connecting the trainer to any device. This means that you are completely free to choose the software you prefer to use for your indoor workouts.
With our software and apps you can adjust your training based on heart rate, gradient and power, or you can choose a famous race route. Besides that you can also compete online with other cyclists. Trainer options vary depending on the application used.

Compatible sprocket cassettes
The Flux has a universal EDCO Multisys body compatible with all Shimano and SRAM cassettes, and most Campagnolo cassettes. The compatibility or otherwise of the latter depends on the number of notches in the cassette. Cassettes with 8 slots unfortunately cannot be mounted.

Below is the list of NOT compatible cassettes:
10v current series: Veloce, Centaur.
10v previous series: Record Ti, Record, Chorus, Centaur, Veloce.

• Quick release included.


• Cassette NOT included

Designed and manufactured in Holland.