Exterior kMeter Module [discontinued]

$ 430 excl. tax

The Exxentric kMeter is the original model of our science-based feedback system for flywheel training. This data reader & transmitter can be used with kBox3 and kBox4 Pro / kBox4 Lite devices that were produced before May 2018.

The kMeter system is developed to accurately monitor power and energy as well as estimate force during flywheel training on the kBox. It is used by coaches and physiotherapists as well as directly by athletes and patients.

SKU: 20001 Categories: ,


This is our original model of the kMeter, which can be purchased as an add-on to kBox3 and kBox4 Pro / kBox4 Lite devices that were produced before May 2018. The system measures the rotation of the flywheel wirelessly with high accuracy and uses a smartphone app with a simple and accessible interface to present key training results, including:

  • Concentric and eccentric power
  • Range of motion
  • Force
  • Eccentric overload
  • Energy expenditure

The kMeter system consists of two parts: the kMeter Module, which can be connected to the kBox, and its corresponding app:

Read more about the newer model of the kMeter II here.

Exxentric App

The Exxentric App can be downloaded for free and installed by every user of a kBox equipped with the kMeter Module. Users can monitor the results directly on his or her mobile device and are able to save, browse, share or even export to excel for analysis.

Read more and download the app here. Further supporting material can be found here.



kBox2.5, kBox3, kBox4 Pro / Lite (produced before May 2018)

Sample rate

1600 Hz (25 revolutions/second)

SKU 20001