kBox4 Active Platform

$ 1,390 excl. tax

The kBox4 Active Platform is the key component of all kBox4 Active systems. Combined with the right accessories it forms a flywheel training system for all levels of users.

A member of the kBox4 family, the kBox4 Active Platform is the robust entry-level device in our product line, ideal for gym studios, group classes, amateur athletes, and more.

To select the right kBox4 Active system with flywheels and accessories, click here.

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Platform includes:

  • kBox4 Active with
    • Pre-attached Drive Belt
    • Pre-attached Large Pulley Block
  • Angle Adjuster



The kBox4 Active is perfect for serious home users, group class training and amateur sports, or anyone looking to afford multiple kBoxes.

With the kBox4 Active and accessories, you are able to perform a wide range of exercises. The kBox4 Active is typically used for health and fitness, but it is also implemented by users in performance sports and physiotherapy looking for a space- and cost-saving solution.

The kBox4 Active is ready to use right after unpacking, with no assembly or tools required. Just mount a flywheel and connect an attachment and you’re ready to go.


The kBox4 Active Platform is assembled by Swedish expert technicians with a steel chassis requiring minimal floor space. Its standard inertia capacity goes up to 0.100 kgm² or two 0.050 kgm² Flywheels.

Like every kBox4 system, the kBox4 Active Platform has a built-in automatic belt length adjustment mechanism for seamless transitions between drills and individuals, it can be equipped with a Foot Block for lateral lower limb movements. Moreover, this platform comes with a free Angle Adjuster for more horizontal movements such as rows and swings.

The kBox4 Active can be equipped with up to two or four flywheels made from laser cut and powder coated carbon steel in four different sizes:

  • Large: 0.050 kgm²
  • Medium: 0.025 kgm²
  • Small: 0.010 kgm²
  • Extra Small: 0.005 kgm²

Additional information



Top surface

68.5 x 43.5 cm

Foot print

76 x 51 cm


21 cm


15 kg

Inertia range (standard)

0.005 kgm² – 0.100 kgm²

Range of motion

175 cm


kMeter II compatible

Compatible flywheels

0.005 kgm², 0.010 kgm², 0.025 kgm², 0.050 kgm²