Train like You Fight. With Exxentric Devices.
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Building explosive rotational power, safely loading strikes, and maximizing your conditioning – Exxentric devices condense the physical demands of the cage, ring, or mat into a single training tool.


Powering Elite Athletes
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Nicolas Dalby
UFC fighter, 2x CageWarriors World Champion
“…this is the perfect tool for a demanding athlete like myself. Amazing product! 💪🏼”
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Natalia Diachkova
ONE Championship Muay Thai Fighter. IFMA, WMC and WPMF Muay Thai world champion
“Flywheel training develops … enhanced power, eccentric control, and conditioning”
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Jonas Mågård
OKTAGON MMA Fighter, 3x World champion
” Exxentric taking workout to the next level 📈”
A Stronger Fighter – Is a Better Fighter
With a resistance profile and movement patterns that more closely mimic the demands of real combat – our devices develop fighter strength, not lifter strength.
Flywheels perfectly mimic a fighter’s need to continue producing maximal explosive force, even as fatigue begins to set in. By letting you drill sports-specific actions, safely load strikes and takedowns, and train explosive power with every rep – flywheels let you train like a fighter, not a weightlifter.
Train Better. Fight Better.
Discover Why Elite Fighter Choose Flywheel Training.-
True Freedom of Movement
With 70+ loadable movement variations – you can twist, strike, side-step, shoot, and throw just like you would in sparring or competition. -
Develop Fight Strength
Harness variable resistance that mimics and develops the explosive power demands of a strike, take-down, throw, or sprawl. -
Resist and Overcome
Use eccentric overload and isometrics to strengthen and condition your ability to resist and overcome your opponent.
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Prevent Injury
Tailor your training to prevent or rehabilitate injuries with isoinertial variable resistance and eccentric overload.


Build the Foundation with the kBox
The kBox line gives baseball players access to all the benefits of heavy compound training with none of the usual drawbacks
Max Strength, Max Safety
Safely implement heavy strength training with exercises like harness squats – maximizing foundational strength while minimizing risk of injury and technical complexity.
Explosive Power
Thanks to variable resistance, the kBox directly develops your striking and throwing power by letting you train every squat, twist, or pull with maximal output and acceleration.
Fight-Specific Movements & Drills
Like adding rotations to Zercher squats – the kBox offers unique opportunities to combine heavy strength training with maximal sport-specific carryover.


Create New Possibilities with the kPulley
Master every training angle, add variation, and elevate upper-body development with the kPulley line.
Horizontal Plane
Round out your rotational striking and throwing power by twisting, pushing, pulling, and swinging in the horizontal plane.
Maximize Upper Body Development
Target the triceps, shoulders, and chest for bulletproof joints, unshakeable upper body stability, and improved control.
Fight-Specific Movements & Drills
Take advantage of adjustable heights and angles to perfectly replicate and load your strikes, throws, and takedowns.
Bespoke Systems. Hand-selected for Combat.
Bespoke Systems.
Hand-selected for Combat.

kBox Contact Sports System
$ 2,765

kPulley Contact Sports System
$ 2,370