Dominate the Court. With Flywheel Training.
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Blow up your long jump, improve lateral and sprint speed, and boost throwing power with explosive variable resistance, sport-specific movement freedom, and eccentric overload!


A Stronger Handball Player – Is a Better Handball Player
By harnessing the endless and variable rotational energy of a flywheel – Exxentric devices offer resistance that is more effective for explosive sprint training, a movement freedom with greater carryover to game-specific action, and a loading profile that is safer and more intuitive for handball athletes.
By letting you train with a greater freedom of movement and eccentrically overload sport-specific actions -Exxentric flywheels let you replicate and prepare for on-court demands. Directly load lateral changes of direction, improve rotation and arm strength, and explosively train squat variations for sprint and jump power.
Train Better. Play Better.
Discover Why Elite Handball Players Choose Flywheel Training.-
Explosive Power
With variable resistance that lets you train with maximal explosive power on every rep – Exxentric devices let you jump farther, sprint faster, and change direction quicker. -
Sport-Specific Lateral Training
Multi-directional resistance and specialty training accessories let you train a wide range of loaded lateral movements for game-defining change of direction speed. -
Rotation and Arm Strength
Explosively train core rotation and perform sport-specific drills for improved throwing speed and accuracy. -
Prevent Injury
Prepare your joint and tendons for any landing, change of direction, or misstep with scientifically-proven eccentric overload protocols.
David Bass, Wake Forest’s Assistant Athletic Director of Sports Performance
Build the Foundation with the kBox
The kBox line gives handball 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.
Change of Direction
Thanks to variable resistance and a wide range of accessories, the kBox lets you explosively train lateral strength movements for unmatched change of direction and on-court agility.
Handball-Specific Movements & Drills
Like heavy lateral or wrestler rotation 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 in-game throwing power by twisting, pushing, pulling, and swinging in the horizontal plane for more hitting power.
Maximize Upper Body Development
Target the triceps, shoulders, and chest for bulletproof joints, unshakeable upper body stability, and improved throwing power.
Handball-Specific Movements & Drills
Take advantage of adjustable heights and angles to perfectly replicate in-game actions like throws or passes.
Our Systems. Hand-selected for Handball.
Our Systems.
Hand-selected for Handball.

kBox Rotational Sports System
$ 2,255

kPulley Rotational Sports System
$ 2,080

kBox & kPulley Rotational Sports Combo
$ 3,790