Support Registration Form

As our valued customer or user you can contact us here with any equipment related support inquiries.

For help with problems concerning our software or apps, please contact [email protected] instead of filling out this form.

This form is intended to optimise how fast your query is taken care of. Simultaneously, your input will also be considered when it comes to the further development of new products and services that we can offer you in the future, making your participation in this form an invaluable part of enhancing everyone’s flywheel training experience on a global scale.

If you have any further questions or concerns, please make sure to mention them in the text field below and we’ll get back to you as soon as possible.

Thanks for taking the time to fill in this form!


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Order number (reference):

How did you purchase your equipment?

Does this issue concern any particular device?

If yes, what is the serial number of this device?

Which part of the device (if any) is the problem regarding?

Please describe the issue in detail and attach clear images, if possible. If you suspect any particular reason for the issue (e.g. transportation damages), please highlight this as well.

File size cannot exceed 5 mb. If there is no way to decrease the size of your file, please send it as a link via WeTransfer, Dropbox, Google Drive & etc.

Exxentric AB
Karlsbodavägen 39
168 67 Bromma
Tel (Sweden): +46-8-121 485 70
Tel (USA): +1-503-889-0198

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kBox4 Active

Our entry level model for the serious personal trainer or demanding home user. The perfect tool in strength and rehabilitation at our lowest price point.

  • Entry Level Model
  • Holds 1-2 Flywheels
  • kMeter Compatible
  • Weighs 15 kg
  • Starting at €1 410 / $1 635
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kBox4 Lite

Offers the lowest weight and best portability which makes it perfect for frequent travel without compromising the training.

  • Enhanced Portability
  • Holds 1-4 Flywheels
  • Built in kMeter
  • Weighs 9.5 kg
  • Starting at €2 300 / $2 665
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kBox4 Pro

Our premium kBox model with the greatest versatility and largest performance area. It’s ideal for sports teams, premium fitness clubs and physiotherapy facilities.

  • Largest Performance Area
  • Holds 1-4 Flywheels
  • Built in kMeter
  • Weighs 15.5 kg
  • Starting at €2 990 / $3 465
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The kPulley2 is the ideal horizontal solution for improving strength by offering flywheel training for rotational and pull exercises.

  • Horizontal Model
  • Holds 1-2 Flywheels
  • Built in kMeter
  • Easy to assemble
  • Starting at €1 890 / $2 190
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