
Tacx MICRO SPLINE Body
Adapter body for SHIMANO Micro Spline cassettes. Fits FLUX and NEO trainers with Type 2 axle. Simple 5 mm hex install.

The Tacx FLUX 2 Smart is an accurate, stable trainer for intense sprints and realistic inclines. It's also very quiet and compatible with various apps.
BIGGER AND STRONGER FOR A BETTER RIDE
Featuring an enhanced ride feel and more accurate power measurements, this smart trainer has everything you need for an immersive and efficient indoor workout.
Accurate and Reliable
The trainer's redesigned internals allow you to track your performance and progress with reliable and consistent measurements. This includes power, speed, and cadence, measured within 2.5% accuracy.
Sprint-Ready
The balanced design and large footprint of the FLUX 2 trainer ensure maximum stability even during the most intense sprints, up to 2000 W.
Climb Higher
Get the most out of intense training and realistically simulate inclines up to 16% grade.
More Realistic Ride
A heavy 7.6 kg flywheel ensures a realistic ride feel and responsiveness.
Smooth and Quiet
The direct-drive trainer minimizes vibration and noise, resulting in one of the quietest flywheel trainers available.
Enhanced Compatibility
The trainer comes with additional axle adapters, significantly increasing axle compatibility. It is compatible out of the box with 142×12 mm and 148×12 mm axles.
Fully Compatible
The FLUX 2 smart trainer connects via Bluetooth® Smart technology and ANT+® FE-C protocol and works with numerous popular training apps, such as TrainerRoad and Zwift.
Standalone Option
The trainer can be used completely standalone. In un-connected mode, it simulates a flat road – the faster you ride, the greater the resistance.
Device Compatibility
Connect the FLUX 2 Smart trainer to multiple devices simultaneously to enjoy Tacx Training™ software and monitor your performance on a Garmin bike computer.
Tacx Training™ Software
Enjoy a library with over 100 high-quality real-life videos, allowing you to experience riding on steep Alpine climbs or the cobblestone streets of Milan.
Tacx Training™ Plans
Use structured training plans tailored to your fitness level, helping you achieve your goals. Race against competitors in real-time, upload GPS data, ride on 3-D maps, and much more.
General
Connectivity
Indoor Training Features
Included in the box: