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Tacx Serial Number Format and Location

Serial number information is located on a sticker affixed to each Tacx® smart trainer. The location will vary according to each model. To view the location, select your trainer below. For information about registering your Tacx smart trainer, refer to: How Do I Register a Tacx Trainer?


Tacx NEO Bike Series

  • Tacx NEO Bike smart trainer

  • Tacx NEO Bike Plus smart trainer

Located on the non-drive side next to the left crank arm

Left side of NEO bike with sticker circled



Tacx NEO Series

  • Tacx NEO smart trainer

  • Tacx NEO 2 smart trainer

  • Tacx NEO 2T smart trainer

Located on the underside of the non-drive side leg

Bottom side of a NEO smart trainer

  • Tacx NEO 3M smart trainer

Located under the drive-side leg

3m serial location under driveside leg 


Tacx Flux Series

  • Tacx Flux smart trainer

  • Tacx Flux S smart trainer

  • Tacx Flux 2 smart trainer

Located on the back side of the rear, drive side leg, next to power port

Rear of a Flux trainer



Tacx Flow

The serial number for the Tacx Flow smart trainer is located on the resistance unit.

Back of a Tacx Flow trainer



Tacx Vortex

The serial number for the Tacx Vortex smart trainer is located on the resistance unit.

Bottom of a Vortex trainer



Tacx Boost

The serial number for the Tacx Boost trainer is located on a small white sticker located on the base of the frame

serial number sticker on boost trainer 



Tacx Roller Trainers

  • Tacx Antares roller trainer

  • Tacx Galaxia roller trainer

Small white sticker located on the side of the left leg

serial number on the frame of rollers