Elevate Your Game. With Baseball Flywheel Training.
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Increase the power of your swing, enhance arm strength and stability, and prevent or rehab injury with variable resistance, eccentric overload, and baseball-specific movement freedom!


Trusted by some of the best teams in the world
A Stronger Baseball Player – Is a Better Baseball Player
Optimized baseball performance requires a training approach that combines skill with targeted strength and power. Strength training enhances key athletic qualities – including swing velocity, throwing capacity, agility, and overall resilience against common athletic injuries.
Exxentric devices offer a scientifically validated approach to improving baseball-specific athletic attributes – creating a training environment that closely mimics the forces experienced during baseball movements and ensures maximal carry-over.
Featuring intuitive operation, adaptable applications, and the Exxentric app for performance measurement and tracking – our equipment is an invaluable asset for optimizing baseball training and maximizing athletic potential.
Train Better. Play Better.
Discover Why Elite Baseball Players Choose Flywheel Training.-
Rotational Movement
Safely load a wide range of rotational movements and build the explosive power of your swing with maximal carry-over and specificity -
Variable Resistance
Self-adjusting variable resistance lets you focus on building explosive power through perfectly loaded reps that ensure maximal efficacy and safety -
Arm and Grip
Eccentrically and isometrically develop arm strength and shoulder stability that will enhance throwing and swinging power and precision -
Lower Body Strength
The kBox lets you build an unshakeable foundation of lower body strength without needing to perform complex and needlessly injury-prone barbell movements
Elevate Bat Speed. With Our Rotational Guide.
David Bass, Wake Forest’s Assistant Athletic Director of Sports Performance
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 without straining the lower back and minimizing risk of injury.
Swing Power and Throw Speed
Thanks to variable resistance, the kBox directly develops your swing and arm strength and power by letting you train every squat, twist, or pull with maximal power and acceleration.
Baseball-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 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 arm strength.
Baseball-Specific Movements & Drills
Take advantage of adjustable heights and angles to perfectly replicate and load your swing and throw stroke.
Bespoke Systems. Tailored to Baseball
Bespoke Systems.
Tailored to Baseball.

The kBox & kPulley Rotational Sports Combo
$ 3,790

kBox Rotational Sports System
$ 2,255

kPulley Rotational Sports System
$ 2,080