Tacx FLUX 2 Smart Trainer



This trainer is redesigned to let you track your performance and progress with reliable, consistent measurements. That includes power, speed and cadence, measured accurately within 2.5%.


The well-balanced design and large footprint of the FLUX 2 Smart trainer ensures maximum stability, even during the most explosive sprints, up to 2,000 watts.


Get the most out of your intense workouts by training on realistically simulated inclines up to a 16% gradient.

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Physical & Performance

Physical dimensions 26.4″ x 25.3″ (670 x 642 mm)
Weight 52 lbs (23.6 kg)

Maps & Navigation

Basemap No
Ability to add maps No


Courses No
Compatible with Varia™ lights No
Accuracy <2.5%
Integrated TrailForks trail data No
Downloadable training plans No
Max incline 16%
Group LiveTrack No
Interval training No
Compatible with Varia™ radar (rear-facing radar) No
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) No
Touchscreen No
ClimbPro™ Ascent Planner No
Varia™ remote No
Race an Activity No
Smart Notifications No
Electrical requirement 110-240 V
Simulation of descent No
Suitable axles Width of rear fork: Race 130 mm, MTB 135 mm, 142 mm and 148 mm. Adapter for 135 x 10 mm available.
Measured Speed Yes
Incident Detection No
Battery save mode No
Calories burned No
Customizable data pages No
Connect IQ™ (downloadable watch faces, data fields, widgets and apps) No
Virtual Partner No
VO2 Max (Run) No
Magnets 8 permanent ferrite magnets and 8 electromagnets
MTB Dynamics No
Power meter compatible No
Physio TrueUp No
Height 18.1″ (460 mm)
Read out on Bike computer, computer with ANT+ antenna, smartphone, sports watch, tablet
Cycle Map (routable cycling-specific street map) No
Mass inertia 68.8 lbs (31.2 kg)
https://discover.garmin.com/en-US/performance-data/cycling/#physiological-measurements No
Ambient light sensor No
Control by Smartphone, tablet, ANT+ bike computers, stand alone, computer connection via ANT+ antenna
Recovery advisor No
LiveTrack No
Max power 2000 Watt
Rider-to-rider messaging No
On-device course creator No
Barometric altimeter No
Weather No
Auto Lap® No
Auto Pause® No
Flywheel 16.8 lbs (7.6 kg)
Suitable cassettes Shimano and SRAM: 8-11 speed. Campagnolo, SRAM XD and XD-R body (sold separately). Not suitable for specialized SCS system.
Max brake force 120 N
ANT+™ electronic shifting No
Shimano Di2 Synchro Shift integration No
Water rating No
Bike alarm No
Output Speed, cadence, power
Color display No
Measured Cadence Yes
Calibration Spin down
Accelerometer No
Measured Power Yes
Text response/reject phone call with text (Android™ only) No
Connection indicator (ANT+/BLUETOOTH) 2 LEDs
Auto scroll No
Smart trainer control No
Segments No
Wireless communication ANT+ connectivity, BLUETOOTH wireless technology
Training Effect No
Galileo No
In-ride power compatible (Garmin Charge battery pack) No
Cycling Dynamics compatible No
Weather alerts No
Edge® remote No
Assistance No
Max torque 41 Nm
Advanced workouts No
VIRB® Remote No
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