EXXENTRIC - In2Equipment

Exxentric AB is a company developing innovative, science based training equipment and methods for strength and conditioning, including the kBox, used by performance coaches, personal trainers and physiotherapists worldwide since 2011.

Flywheel Training

Supported by scientific evidence, Flywheel training increases the effectiveness of your strength training by applying the inertia of a flywheel instead of simple gravity to create optimal resistance. Here's how it works:

Whether your goal is to improve athletic performance, prevent or rehabilitate an injury or improve your general health and fitness, flywheel training and the kBox training device offers a number of important advantages.

Applications: Performance Sports

Flywheel technology is getting more and more momentum in sports performance as athletes and coaches see the benefits of the Exxentric kBox. Scientists are gathering increasing evidence to support this method of training. The advantages of flywheel training in performance sports include physiological, practical, ergonomical and economical benefits. 


Physiological advantages

The physiological aspects of flywheel training using the kBox are that it offers a variable resistance that automatically gives maximal resistance all through the exercise and increased mass and strength in every angle. With the possibility of a high eccentric load or overload the effects on these parameters and performance greatly outperform traditional weights. Eccentric overload is much more effective to increase strength, speed and mass, especially in trained subjects.

At the same time eccentric training is very injury preventive. Many injuries occur during eccentric contraction, like hamstring strains, so by incorporating this in pre-season or rehabilitation will greatly reduce the risk of new or recurrent injuries.

Eccentric overload is also shown to increase type IIx MHC and volume of the IIX fibre, which means transformation of the muscle into a faster phenotype. With a digital feedback system you can monitor your athletes’ performance and progression down to every repetition.

Practical advantages

A practical advantage is that with the variable resistance your athletes don’t have to change weights between sets, users and even exercises. Shorter or taller athletes can easily workout together without having to change the height of the rack. This makes sessions more efficient and saves time for other important aspects of the athletes’ training, like resting, eating, tactics or play.

Using a harness for lower limb exercises the athletes can work at their highest performance and not be limited by any injuries in hands or arms or by inadequate technique. The harness unloads the upper back from point pressure and the lower back from torque which allows the athletes to focus on their performance instead.

Another practical advantage with the kBox is its mobility. Only weighing about 23 kg (50 lbs) with accessories, you can bring it into the field, into the locker room or on your trip or camp just like you bring your water bottles. Start combining heavy lifting or power training with your sprints, jumps or game play in a completely new way.

Ergonomical advantages

The ergonomical aspects are that there is no metal-to-metal sound, no risk of collision or dropping weights on the floor. This also results in less need for space and sound-reducing materials to work out, and you and your athletes can focus on the performance.

Economical advantages

With the above advantages, the economical advantage becomes obvious. With a single device offering over 30 exercises, mobility, safety and efficacy with the same or lower price than a complete barbell set you really get your moneys’ worth, and you hardly even need any extra space.



The kBox can solve your problem as a rehab clinician offering safe, controlled and effective training for all of your patients.


The clinician working with rehabilitation must have a comprehensive tool box to serve patients with a wide range of physical conditions, pain and performance levels, mobility and so on. Thus, flywheel training on the Exxentric kBox fits in perfectly.


ADDRESS: 468 Princes Highway Noble Park Victoria 3174

TELEPHONE: Peter +61 451 004 922

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