Kbox 4 Pro


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Kbox Pro Advanced System


Train Up To Your Potential

With the kBox and kPulley, instead of a fixed load determined by gravity when lifting weights, you work against the variable inertia of heavy steel flywheels determined by the effort and energy you unleash into the device.

Engage Every Muscle

These training devices are truly versatile and serve multiple purposes, allowing you to engage your upper body, core and lower body with a wide variety of exercises.

Keep The Gym Nearby

It is completely portable and easy for anybody to carry or stove away.

Get Real-Time Feedback

Its kMeter app-based wireless feedback system can be used to measure and save actual power output and more.



The Exxentric kBox4 Pro systems include the premium kBox model, ideal for sports teams, premium fitness clubs and physiotherapy clinics.

The kBox4 Pro is set apart by its market leading maximum inertia, built-in kMeter II feedback system and larger surface area, loved by strength and conditioning coaches as well as physiotherapists and top level personal trainers.

The kBox4 Pro Platform is made in Sweden from powder-coated aluminum, with details made of anodized hardened carbon steel and aluminum, and high-friction rubber. It is available in two different colors (Anodic Brown and Midnight Blue).This model has a CE-marking Certificate as a Medical Device. The kBox4 Pro can simultaneously hold four Flywheels of up to 0.070 kgm² each, with the maximum inertia level being 0.280 kgm².


Pro Advanced System comes with the following:

  • kBox4 Lite Platform
  • kMeter Module II
  • Flywheel – 0.010 kgm2
  • Flywheel – 0.025 kgm2
  • Flywheel – 0.050 kgm – (4 pieces)
  • Hip Belt – Standard or Small
  • Harness 5-pack
  • Ankle Cuffs
  • kGrips
  • kBar
  • Head Harness
  • Foot Block kBox4 Lite / Active
  • Extension Strap
  • Flywheel Bag
  • Accessory Rack – Standing or Wall Mounted
  • Cover Mat – kBox4 Lite / Active



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  • 1 -4 Extra Large Flywheels
  • Inertia up to 0.28 kgm²
  • kMeter II Feedback System
  • 98 x 63 cm Footprint
  • Weighs 15.5 kg