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Garmin Tacx FLUX S Smart Direct Drive Bike Trainer

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Garmin Tacx FLUX S Smart Direct Drive Bike Trainer

Tacx FLUX S from Garmin is one of the most affordable direct-drive trainers that helps you sweat while cycling with your favorite apps.

Get ready to sprint up to 1500W or climb higher by training on realistically simulated inclines up to 10% gradient with the most silent flywheel-equipped bike trainer. A hefty flywheel, weighing 15.4 lbs (7.0 kg), it gives a realistic ride feel and responsiveness with almost no noise. Accurate and reliable, the FLUX S helps you keep track of your performance and progress with consistent measurements of speed, power, and cadence within 3%.

Pairing seamlessly with the most popular training apps and software likeTrainerRoad and Zwift, the FLUX S Smart trainer communicates via BLUETOOTH® Smart technology and ANT+® FE-C protocol and can connect to multiple devices simultaneously, while also tracking your performance on the Garmin Bike.

Enjoy a library of over 100 high-quality, real-life films that allow you to feel the adrenaline of riding the Alps' steep climbs or Milan's cobblestone streets. Use structured training routines that are tailored to your fitness level to help you achieve your goals. Race against real-time opponents, upload GPS data and ride with 3-D maps, among other things.

  • Ride hard, train with confidence, and feel the burn with the FLUX S smart trainer!
  • Power, speed, and cadence measured within 3% accuracy
  • Smooth and silent
  • Maximum stability even during the fastest and most intense sprints
  • Inclines up to 10% gradient
  • Fully connected via Bluetooth and ANT+® FE-C protocol with apps like TrainerRoad and Zwift
  • Tacx Training Software and Training Plans for customized workouts
  • Library of real-time videos
  • Compatible with multiple device connectivity
  • Option to use the trainer in stand-alone mode



Dimension: 26.4" x 25.3" (670 x 642 mm)

Weight: 50.3 lbs (22.8 kg)

Height: 18.1" (460 mm)


Wireless Communication: ANT+ connectivity, BLUETOOTH wireless technology

Control By: Smartphone, tablet, ANT+ bike computers, stand-alone, computer connection via ANT+ antenna

Read Out On: Smartphone, tablet, bike computer, computer with ANT+ antenna

Indoor Training Features:

Magnets: 8 permanent ferrite magnets and 8 electromagnets

Suitable Cassettes: Shimano and SRAM: 8-11 speed. Campagnolo, SRAM XD and XD-R body (sold separately). Not suitable for specialized SCS systems.

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

Max Power: 1500 watt

Max Incline: 10%

Max Torque: 22.1 Nm

Max Brake Force: 65N

Flywheel: 15.4 lbs (7 kg)

Mass Inertia: 50.3 lbs (22.8 kg)

Calibration: Spin Down

Output: Speed, cadence, power

Accuracy: <3%

Measured Speed: Yes

Measured Cadence: Yes

Measured Power: Yes


1 x Flux S Smart Trainer

1 x Quick Release for Road Bikes and Mountain Bikes (5 mm)

1 x Axle End Caps for use with 142 x 12 mm and 148 x 12 mm thru Axles

1-Month Tacx Premium Software

1-Month Zwift Membership Software Trial

Warranty: 2-Year Warranty