FLUX Smartant-bt-logo_35x80px

The FLUX is a compact and realistic interactive direct drive and is maintenance-free. The swift response of the Smart electronics and the 7kg flywheel transmit the slightest fluctuations in resistance directly and accurately to your legs.

Two technologies combined

With the FLUX we combined direct drive technology with an electro brake in order to offer an accessible Smart and interactive direct drive.

1500W 10%
power max. slope

Smart & fully connected

This trainer is connected wirelessly to smartphones and tablets and knows the ANT+ FE-C protocol, enabling you to train with Tacx apps as well as third-party apps like Zwift and TrainerRoad.  You can also train stand-alone; if you do not connect the trainer, it will simulate a flat road.

BIG flywheel

The FLUX offers the truest simulation of a pedal stroke as it is equipped with the heaviest flywheel to date.

7kg
flywheel

Sssst

The inner parts of the FLUX are carefully selected to minimize sound levels.

Automatic calibration

The set up of the FLUX enables an easy, automatic calibration process to ensure high a accuracy.

<3%
accuracy

Stable & robust

The FLUX has been designed to enable you to really push your limits, especially when standing on the pedals.

670x650mm
footprint

Plug & play

As the FLUX is a direct drive you simply remove your bike’s rear wheel and place it directly on the trainer, step on and start training.

Connections revealed

The FLUX shows when it is connected to the mains and to a device over ANT+ or Bluetooth by an LED light on the side.

Compatible software

Tacx Smart trainers use the Bluetooth Smart and ANT+ FE-C protocol for communication which allows them to be controlled by third-party software. The software receives the speed, cadence and power from the trainer and controls the brake. Click on more information for an explanation of the compatibility and functions of each software package.

zwift-logo trainerroad Kinomap trainer
The Sufferfest Cycleops bkool
Fulgaz veloreality
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Firmware upgrades

With the Tacx Utility app you can always benefit from the latest firmware for the Tacx trainer and check the connection with other devices. When an update is available, you receive a notification and you can decide whether you want to update your trainer.

Features & specifications

features
Type of trainer Interactive Smart direct drive with electric brake
Magnets 8 Permanent ferrite magnets & 8 electromagnets
Transmission None
Electrical requirements 110-240 Volt
Power indicator None
Connection indicator (ANT/BT) 2 LEDs
Firmware upgradable Yes
Supplied with Quick release for road bikes and mountain bikes (5mm)
Suitable bikes Width of rear fork: Race 130mm, MTB 135mm. Adapters for other widths available , Not suitable for a long cage rear derailleur
Suitable cassettes Various Shimano, SRAM & Campagnolo cassettes
specifications
Max. power (40 km/h) 1500 Watt
Max. slope 10%
Simulation of descent No
Max. torque 22.1Nm
Max. brake force 65N
Flywheel Actual of 7kg
Flywheel effect 22.8kg
Calibration Spin down
Footprint (lxw) 670×650mm (26.4×25.6in)
Height 465mm (18.3in)
Dimensions when folded Not foldable
Weight 16kg (35.3lbs)
Article number T2900
data output and control
Wireless communication ANT+ FE-C , Bluetooth Smart open
Control by Smartphone, tablet, ANT+ FE-C bike computers and stand-alone Connect to computer via ANT+ antenna
Output Speed, cadence and power
Read out on Smartphone, tablet, bike computer, sports watch, computer with ANT+ antenna
Accuracy <3%

where-to-buy

Where to buy?

Visit one of our selected stores for advice about our products and what best suits you.

Find a store nearby >

Need help?

For any questions about a product, ordering online, or any other queries, our support team can be reached via email, social media and telephone.

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FLUX Smart

Not available in Tacx webshop. Click here to locate your nearest dealer.
799,00