The Exxentric KBox4 Advanced System is an innovative flywheel platform system: thanks to an elevated stepper-style support and the integration of a flywheel pulley system, the kBox4 enables you to benefit from the variety of movements allowed by a stepper, while having consistent and adjustable resistance.

The flywheels are interchangeable according to the type of effort desired, and the wide range of accessories available leaves the possibility for a multitude of movements (squats, lateral lunges, deadlifts, etc.).

Advanced Systems Packs include a KBox 4 device, multiple FlyWheels, 1 Exxentric waist belt, an Exxentric power harness, a pair of KGrips and a KBar.

Available in 3 versions: Lite, Active and Pro.

The Exxentric Flywheel Carrying Bag is a nylon pouch designed to carry your FlyWheels of diameters XS to L. Its clip closure system and snap hook attachment will allow you to carry all of your accessories comfortably and safely.

The Exxentric Standard Fitness Combo is a complete package of isoinertial resistance equipment that allows you to get full body workouts with just two pieces of equipment!
The pack contains a KBox4 Active, a KPulley2, several flywheels of different resistances and a multitude of accessories.

The LegExx Machine from Exxentric is a Leg Extension machine specifically designed to apply the principle of isoinertial resistance on quadriceps work.

The ergonomics of the machine has been designed to respect the biomechanical constraints of the human body, and adjustments of the seat and the roller are possible. The interchangeable flywheel system creates optimum resistance during your training effort

Machine sold alone

The Pair of Exxentric Ankler Clips is specifically designed for use on your KBox or KPulley. They are the ideal accessory to widen your exercises by targeting more precisely the lower body with isolation exercises of the glutes, hamstrings or quadriceps.

Sold in pairs.

The Exxentric Declined Board is a 25° declined board with non-slip coating specifically designed for use on your KBox. This accessory is intended for squat variations (cyclist squats) or calf work, and is very popular with physical preparation and rehabilitation professionals.

Compatible with KBox devices.

This component is a necessary link between the kPulley Go device and any of the Exxentric Beams (these are metal beams for attaching the K-Pulley for example).

This steel adapter is compact and lightweight.

The Exxentric KPulley 2 is the perfect accessory for any gym, physical training or fitness centre. Adjustable-load isoinertial work allows for a wide variety of intensity and effort, for maximum muscle recruitment. Adjustable height and fixable on a rack or separately like a pulley tower.

Available alone or in a pack.

Exxentric K-Pulley Beam

Beam adapter required for use with the kPulley Go.

While the kPulley2 comes with a compatible Beam option by default, having an extra one can be useful for anyone who wants to train in multiple locations.

The kPulley Go can be used with any of these Beam mounts as long as you have the kPulley Beam Adapter (product below this product sheet)

The Exxentric FootBlock for KBox 4 is a 25° angled stand dedicated for use on KBox 4 devices. Its use enables you to perform certain variations of exercises such as the squat or calf-workouts. Locking latch on the Kbox.

Available in two versions: Kbox 4 Active/Lite or Kbox 4 Pro.

Exxentric FlyWheels are carbon steel flywheels, essential for use with KBox, KPulley and LegExx devices.
These wheels with variable resistance according to their diameter make it possible to obtain a smooth resistance progression during the effort, with an eccentric and concentric phase each as difficult as the other.

Available in sizes XS/S/M/L/XL.

The Exxentric Waist Belt is an accessory designed for use on KBox 4 and KPulley. It is an indispensable tool for performing lunges, Bulgarian squats, and other lower body exercises. Very robust thanks to its nylon composition, it is simply attached by a snap hook system.

Available in sizes S/M and M/L.

The Exxentric Head Harness is a tool designed to take the principle of isoinertial training and apply it to cervical strengthening. Easily lockable with a snap-hook system, it is adjustable and compatible with KBox 4 and KPulley devices.

The Exxentric Harness is an accessory designed for use with KBox4 and KPulley devices in explosive or core-strength work. Its robust nylon construction and adjustable buckles make it a great way to get the most out of Exxentric's inertial strength.

Available in sizes XS to XL.

The Exxentric Harness Packs are packs of 3 or 5 harnesses designed for use with KBox4 and KPulley devices in explosive or core-strength work. Their robust nylon construction and adjustable buckles make them a great way to get the most out of Exxentric's inertial strength.