Tacx Flux Smart Trainer Direct-Drive

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  • FLUX Smart

    Due to very high shipping costs this article won't be delivered outside of the EU! If you want to order it anyways you can contact us on our mail for further information according the additional shipping costs.

    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 power
    • 10% max. slope

    Automatic calibration

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

    <5% accuracy

    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


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

    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 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.

    Features & specifications


    • Type of trainer: Interactive Smart direct drive with electric brake
    • Magnets: 8 Neodymium magnets
    • Transmission: None
    • Electrical requirements: 110-240 Volt
    • Power indicator (Wattage): None
    • Connection indicator (ANT/BT): 2 LEDs
    • Firmware upgradable: Yes
    • Supplied with: Quick release for racing bikes and mountain bikes (5 mm)
    • Suitable bikes: Width of rear fork: Race 130mm, MTB 135mm. Adapters for other widths available
    • Suitable cassettes: various Shimano, SRAM & Campagnolo cassettes


    • Max. power (40 km/h): 1500 Watt
    • Max. slope: 10%
    • Simulation of descent: No
    • Max. torque: 22.1Nm
    • Max. brake force: 65 N
    • Flywheel: Actual, 7 kg
    • Flywheel effect: 22.8kg
    • Calibration: Spin down
    • Footprint (lxw): 670x650mm (26.4x25.6 in)
    • Height: 465 mm (18.3 in)
    • Dimensions when folded: Not foldable
    • Weight: 16 kg (35.3 lbs)

    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: <5%
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    Factory number:T-2900
    Discontinued model/sale!
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