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Keep your training going throughout the Winter and improve your riding levels on a smooth, intuitive trainer.
Keep your training going throughout the Winter and improve your riding levels on a smooth, intuitive trainer.

Tacx Flux S Smart Bicycle Trainer


With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!


With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on the Undetermined

Tacx Flux S Smart Bicycle Trainer

Brand : Tacx

Code : T2900.S

Explore the world and tackle new terrains on this reliable and accurate smart trainer, designed to give you the ultimate indoor riding experience. So you can keep riding even when outdoor conditions are against you.

The Flux S is an accessible direct drive with full smart functionality. By changing the design of its iconic predecessor, the Flux S Smart gained a wider bike compatibility range. It has been redesigned in order to fit long cage derailleurs. The Flux S Smart is a reliable and powerful trainer with a smooth ride feel. This interactive direct drive trainer makes smart training accessible to any cyclist. Ant+ and bluetooth enables you to connect to your favourite applications.

The FLUX S Smart checks all the boxes when you are looking for a Smart direct drive trainer. Reliable, accurate, silent, strong and offering a good ride feel. This bike trainer is the ideal indoor training companion for the many hours sweating and cycling with your favourite apps.


The Flux S Smart pairs seamlessly with most popular training apps and software to create the ultimate indoor training environment. Easily connect to cycling apps like Zqift, Tacx and TrainerRoad.


A reliable, accurate and consistent power measurement is key to keep track of your performance and progress. This is exactly what the FLUX S Smart is designed for, it measures your power accurately within 3.0%.


A smooth ride feel and swift responsiveness are key to replicate the experience of your outdoor rides. With its large flywheel, the FLUX S ensures the same sensation of riding on the road.


The Flux S Smart is designed to bring vibrations and noise levels to the absolute minimum. This resulted in a very silent flywheel equipped bike trainer.


The smart electronics of this bike trainer allow you to train stand alone, without any software. It follows a progressive power curve, the resistance will increase progressively when you ride faster. Precisely replicating riding on a flat road.


Intuitive LED lights provide a visual confirmation when the trainer is powered and connected to a device over ANT+ or Bluetooth.


Designed to withstand the most intense training sessions, this bike trainer is built to last. A large footprint ensures maximum stability and durable materials give the quality you would expect.

  • ACCURATE: Measures your power accurately within 3,0%
  • SILENT: The most silent flywheel equipped bike trainer available
  • SMART TRAINER: Connect to popular training apps, like Zwift and Tacx
  • SIMULATION RANGE: Realistically simulate inclines up to a 10% gradient
  • SPRINT: A strong trainer with a maximum sprint resistance of 1500 watts
  • HEAVY FLYWHEEL: A large 7,0kg flywheel ensures the best ride feel


Explore the world with high quality Films and GPS workouts while challenging your friends. Train efficiently with structured training plans and cycling workouts. Analyse your data, export your activity to Strava, and make use of many more features.

Technical Information
  • Max. power (40 km/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 (50.3lbs)
  • Article number - T2900S


  • 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%
Sizing Information
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