Third party data processing

To improve our offer, we have information about user behavior by third parties processed.
Here we offer you the opportunity to individually agree to each individual data processing by third parties.

You can adjust these settings at any time in our cookie settings.

Essential cookies

Cookies, which are necessary for the proper operation of our shop.


Analyzes website usage to deliver custom content. Performs analytics to optimize website functionality..

Analyzes website usage to deliver custom content. Performs analytics to optimize website functionality..

Analyzes website usage to deliver custom content. Performs analytics to optimize website functionality.

pageviews facebook Pixel

Bing Tracking

Bing Tracking

hotjar - User interaction

Type of storage

May we save your settings permanently in the form of a cookie in your browser?
Otherwise, the settings will be lost when you close the browser window.

Cookie settings
Exxentric kBox4 Active Systems
Start your customized kBox workout with our entry-level Exxentric model. Forget the monotony of lifting weights against gravity and prevent injuries in the long run. kBox is your ideal training system for strength training, rehabilitation, injury prevention, as well as conditioning in general. Start using the free kBox workout app to create different workouts to achieve your individual fitness goals. Ideal for home gyms, personal trainers or gym classes.

starting from € 1.699,00

including 19% VAT , free shipping

Choose tax zone / country of delivery

There are variations of this item. Please select the variation you wish.

{tab Product description}

Use the practical advantages of the kbox4 Active

  • Versatile multi-purpose training device for the entire body
  • upper body, trunk and lower body training
  • Compact, light to carry and easy to store
  • Measurement and storage of the actual performance via an app
  • including wireless feedback system
  • Quick and easy switching between exercises and different users
  • noiseless

{tab Function}

Full body training with the flywheel will have an impact on your overall training results.

Studies have shown that there is an increase in total strength, range of motion and muscle growth in all areas of the musculature. In comparison, traditional training machines focus much more ONLY on the sticking point.


The Exxentric kBox is used by athletes and patients for a wide range of flywheel training.

High-performance sport

  • The kBox had its original breakthrough in high performance sports. It finds its widespread use by elite coaches in football, sprinting, skiing and more.
  • Health & Fitness

    • In recent years personal trainers have discovered what an investment in flywheel training and the kBox can do for their company in the health & fitness sector.


    • The kBox has also been advocated by physiologists and physiotherapists for the rehabilitation of patients with many different diagnoses. Read more about the use of the kBox in rehabilitation

    {tab Features}

    kBox4 Active systems provide the basics of flywheel training for all user levels.

    The kBox4 Active is available in 3 different versions.

    • kBox4 Active

      especially suitable for beginners
    • kBox4 Advanced

      especially suitable for advanced users
    • kBox4 Advanced Plus

      for professionals and high-performance athletes

    {tab Training}

    Training Exercise shows Deadlift

    It could be a regular deadlift or stiff-legged deadlift. The experience of the eccentric phase in the kBoxDeadlift will be new for most people. A nice exercise for lower back and hamstrings.

    Training Exercise shows High pull

    High pull
    Can be a total body workout on the kBox thanks to the variable resistance and eccentric overload. Kick in with the legs and the eccentric phase will kick you back. Works deltoids, trapezius and arms in the regular setting and most of your upper body and core in the CLAC overload setting.

    Training Exercise shows Biceps curl

    Biceps curl
    With the Exxentric ultra light bar, this will be your new favorite exercise. Forget giving the biceps 12 sets in the gym. The kBox will do the work in 3 maximal sets with eccentric overload. Read more

    Training Exercise shows Triceps extension / over-head press

    Triceps extension / over-head press
    Slow and heavy with high force development with some core strength added. Perfect for a basic exercise to build strength and power in more complex exercises.

    Training Exercise shows Bent-over row

    Bent-over row
    After a couple of sets of rowing with eccentric overload you won't be able to go back to the traditional weights. It is a heavy exercise but still with a lot of power and motion, especially in the eccentric phase. It strengthens upper and lower back, shoulders and arms. Read more


    Average product review

    Write your first review and help others with their purchase decision:

    kBox4 Data sheet_EN

    kBox4 Bedienungsanleitung_EN

    Exxentric Training Guide_EN

    Exxentric Flyer_EN

    kBox4 Comparison chart_EN

    Other customers have also bought the following items

    Exxentric Flywheel 0,050 kg

    Exxentric Flywheel 0,050 kg

    € 89,00 *

    Choose tax zone / country of delivery

    Exxentric Flywheel 0,025 kg

    Exxentric Flywheel 0,025 kg

    € 85,00 *

    Choose tax zone / country of delivery

    Exxentric Flywheel 0,010 kg

    Exxentric Flywheel 0,010 kg

    € 79,00 *

    Choose tax zone / country of delivery

    Exxentric Elevation Block

    Exxentric Elevation Block

    € 54,00 *

    Choose tax zone / country of delivery

    Exxentric Foot bock for kBox4 Lite & Active

    Exxentric Foot bock for kBox4 Lite & Active

    € 84,00 *

    Choose tax zone / country of delivery

    Exxentric Harness, M

    Exxentric Harness, M

    € 190,40 *

    Choose tax zone / country of delivery