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Tacx FLUX S Smart

Tacx FLUX S Smart
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Tacx Flux S Smart Trainer is ideal for indoor training, Tacx has made slight but essential tweaks to accommodate a wider range of bikes.Built to accommodate bikes with long cage derailleurs, this new and improved model has redesigned internal mechanics to increase the accuracy of power measurement as you track your performance and progress.

The internal mechanics of the FLUX S were redesigned to improve the power measurement and produce better power and more consistent power accuracy all within +/-3%. The Flux S also supports up to 1,500 watts and 10% slope. The internal upgrade and redesign also bring the noise and vibration down to make it almost silent.

With its large flywheel, the FLUX S ensures a smooth ride feel and swift responsiveness which are key to replicate the experience of your outdoor rides.

Tacx Flux S Smart Trainer is reliable, accurate, silent, and strong offering a good ride feel.

Equipped with Smart technology, this indoor trainer allows you to use wireless technology to get a life like and responsive workout. The Tacx Flux S Smart Trainer is compatible with Zwift, and other 3rd party training apps.


· Type of trainer: Interactive Smart direct drive with electric brake

· Magnets: 8 Permanent ferrite magnets & 8 electromagnets

· Transmission: None

· Electrical requirements: 110-240 Volts

· Power indicator: None

· Connection indicator (ANT/BT): 2 LEDs

· Firmware upgradable: Yes

· Suitable cassettes: Shimano & SRAM: 8 – 11 speed. Campagnolo, Sram XD and XD-R body sold separately

· Suitable axles: Width of rear fork: Race 130 mm, MTB 135 mm. Adapters for other widths are available

· Suitable bikes: Race, Tri & MTB

· Supplied with: Quick release for road bikes and mountain bikes (5mm), 1 month Tacx Premium software


· Max. power (40km/h): 1500 watt

· Max. Incline: 10%

· Simulation of descent: No

· Max. torque: 22.1 Nm

· Max. Brake force: 65 N

· Flywheel: Actual of 7 kg

· Mass inertia: 22.8kg

· Calibration: Spin down

· Footprint (lxw): 670 x 642 mm (26.4 x 25.3 in)

· Height: 460 mm (18.1 in)

· Dimensions when folded: Not foldable

· Weight: 22.8kg (50.3 lbs)

Data Output and Control:

· Wireless communication: ANT+ FE-C, Bluetooth Smart open

· Control by: Smartphone, Tablet, ANT+FE-C bike computers, Stand alone, Connect to computer via ANT+antenna

· Output: Speed, Cadence, Power

· Read out on: Smartphone, Tablet, Bike computer, Sports watch, Computer with ANT+antenna

· Accuracy: <3%

Part Numbers

8714895055169 T2900S