kBox Active is THE entry-level model for professional whole body training at the highest level and at the same time smallest space! It is as popular with personal trainers as it is with demanding home users.
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The kBox4 Active offers ALL the essentials of a training experience, with a wide range of exercises for all user groups. At any time - at any place!
As one of the newest members of the kBox family, the kBox4 Active is the robust entry level device in the Exxentric product line, which offers all the essential advantages of flywheel training at an attractive price level. The kBox4 Active is equipped with a steel case and can accommodate up to two flywheels, perfect for serious home users, group class training and amateur sports or for those who want to afford several KBoxes.
The innovative kBox offers many advantages over traditional strength training.
The variably adjustable resistance offers an individual training experience, which you will not find with any comparable fitness machine.
With the kBox4 you work against the variable flywheel mass of heavy steel flywheels.
Instead of lifting heavy weights, you train your entire body with joint-gentle, flowing movements against gravity.
The kBox was first introduced in 2011 and has since been used by performance trainers, physiotherapists and personal trainers worldwide for a variety of flywheel training applications.
The kBox is known for its ingenious application, the eccentric overload during regular training and for its variably adjustable resistance, which can be adapted to each user individually.
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
Unlimited training spectrum
There is practically no upper limit for the kinetic energy that you can generate with flywheel training. This means that you can always use a higher force to accelerate the flywheel more.
The resistance is variable, so if you pull less, the flywheel will offer less resistance.
Therefore the kBox is suitable for all types of resistance training, from heavy strength training to rehabilitation, as well as for test persons from elite athletes to older or even movement-restricted persons.
Variable resistance within a training session
Another important advantage of variable resistance in flywheel training is the possibility to control and adjust the resistance level during the repetition.
For normal weights, the momentum on your joints depends on where the weight is and in which direction it is moving relative to gravity. If you cannot overcome a fixed point, you must use a lower weight or cheat, for example by changing the angle, even if you can control this weight in other areas of your range of motion.
In flywheel training, you are not limited by these factors, and therefore, regardless of your center of gravity, you can train at most over your entire range of motion, and you can easily achieve submaximal performance in one area and maximum performance in another.
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.
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
Exxentric kBox4 Active Features
Size: width 76 cm, depth 51 cm
Hight: 21 cm
Weight: 14.5 kg.
Light bronze color.
Automatic retraction system of the drive belt.
Can accommodate foot supports for lateral movement of the lower limbs (sold separately).
Maximum inertia up to 0.100 kgm² with 1 to two large flywheels.
Ready to use after unpacking and minimal assembly without tools.
The kBox4 Active can be equipped with up to two flywheels in three different sizes made of laser-cut and powder-coated carbon steel.
heavy: 0.050 kgm²
medium: 0.025 kgm²
Light: 0.010 kgm²
kBox4 Active systems provide the basics of flywheel training for all user levels.
The kBox4 Active is available in 3 different versions.
especially suitable for beginners
especially suitable for advanced users
kBox4 Advanced Plus
for professionals and high-performance athletes
The kBox gives you infinite opportunities for effective exercise. Here are some of the best flywheel training exercises you can do with the kBox. Don't let gravity hold you down. Ever.
Squat The king of exercises. Performed with the Exxentric harness to give ergonomic benefits and maximal strength development and results even if the technique is not perfect. It is a great workout for all of the lower body.
Split squat One drill we know many of our users do in many variations and under different names, Bulgarian split squat or Rear Foot Elevated Split Squat (RFESS). This exercise targets Gluteus and Hamstring more and Quadriceps less than a regular back squat.
Lateral squat Gives enhanced performance in running, jumping, sprint, skiing and skating. Activates the gluteal muscles to an extent that is impossible to achieve with traditional weights. It is a very good drill to activate gluteus medius and also prevent injuries to the ACL. Read more
Lung Without losing the edge of balance and postural training, this exercise really boosts your force development in the lower body.
Hip extension An underused exercise that really targets the upper hamstrings. Suitable for both rehabilitation and performance.
Single leg RDL If you want to really load a single leg RDL (Romanian Deadlift), the kBox version is your choice. Try variations using contra- or ipsilateral arm and feel the difference in the working leg and the core. The variable resistance will give you a smooth and hard contraction all over the range of motion.
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.
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.
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
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.
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
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