Tacx Flux S Direct Drive Smart Trainer

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Item #: T2900S-parent-CT

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Unisex Tacx Flux S Direct Drive Smart Trainer

Unisex Accessories

Great value doesn’t mean low performance. The Tacx FLUX S Direct Drive Smart Trainer offers the same features and benefits as higher-priced indoor cycling equipment. The FLUX S is a direct-drive trainer with expansive smart functionality. Improvements over former models include a change in external design that makes the FLUX S compatible with long-cage derailleurs. This new design ensures maximum stability when cycling in explosive sprints. The FLUX S also features upgraded internal mechanics to improve power measurement, resulting in a trainer that’s reliable, accurate and consistent. Your power output is measured within 3%, which is key to tracking performance and progress. This upgrade, paired with a heavy flywheel of more than 15 LBS, gives the FLUX S a significantly improved ride feel. All this power doesn’t boast; it’s engineered to bring vibrations and noise levels down to the absolute minimum. The FLUX S pairs seamlessly through ANT+ (FE-C) and Bluetooth Smart technology, enabling you to connect to your favorite apps like Zwift, Tacx and other popular indoor-training applications. The trainer comes with a three-month subscription to Tacx’s premium software. Using the Tacx app, you can easily update firmware to the latest version, which keeps you on the cutting edge of the latest improvements and features. Tacx strives to develop and provide the most innovative products for athletes around the world.


  • Stable frame design featuring a direct drive trainer with an electro brake
  • Compatible with long cage derailleur
  • Bluetooth and ANT+ FE-C communication capable and fully compatible with third-party apps like Zwift and Tacx
  • Measures speed, cadence and power with a power measurement accuracy of +/- 3%
  • A strong trainer with maximum resistance of 1500 watts
  • 15 lbs flywheel that ensures the best ride feel
  • Incline simulation up to 10%
  • Comes with Shimano freehub body; Campagnolo freehub body and thru-axle adapters sold separately


  • Max Power: 1500 Watts
  • Max Incline: 10%
  • Noise Comparison: 2 (1 is silent, 5 is loudest) making it the most silent flywheel equipped bike trainer available
  • Product Dimensions: (LxWxH): 26.4” x 25.6” x 18.5”
  • Weight: 50.3 lbs

What's in the Box:

  • FLUX S
  • Quick release
  • Assembly kit
  • Power cable
  • Instruction manual