Exxentric USA

Exxentric serves clients throughout the United States, including professional teams in all the major leagues.

Based in Portland, Oregon since 2013, Exxentric Inc. is our local organisation for sales and customer service on-site in the USA.


Clients of Exxentric in the U.S. include elite performance sports teams as well as professional fitness facilities, academic institutions and military units. These include but are not limited to:

  • 50+ performance facilities, including Peak Performance Project (CA), Slow Guy Speed School (IL), Neuro Explosion (WI), Athletic Edge (NJ), Dynamic Correspondence Sports Training (PA), Prentiss Hockey Performance (CT), Gilday Sport Conditioning (WA), Underground Athlete (VA), Respire Fitness (AZ) and GYM Ferris Fitness (PA).
  • 40+ High Schools, Colleges and Universities, including Stanford University (CA), Wake Forest University (NC), Auburn University (AL), Rutgers University (NJ), North Western University (IL), University of Iowa (IA), University of Nebraska (NE), Georgia Tech University (GA), University of Michigan (MI) and Texas Tech University (TX).
  • 30+ professional teams with all major leagues represented. Clients includes the Chicago Bulls (NBA), Los Angeles Lakers (NBA), Indiana Pacers (NBA), Detroit Red Wings (NHL), New York Rangers (NHL), Los Angeles Kings (NHL), Atlanta Braves (MLB), Arizona Diamondbacks (MLB), St. Louis Cardinals (MLB), Seattle Sounders (MLS), Chicago Red Stars (MLS), Oakland Raiders (NFL) and the Philadelphia Eagles (NFL).
  • 10+ Medical/Physical Therapy and Chiropractic clinics. Clients include the Therapeutic Associates (OR), Illinois Bone and Joint Institute (IL), Functional Performance Therapy (NJ) and Peak Sports and Spine Physical Therapy (WA).
  • United States Military, including the United States Army, United States Marine Corps, United States Air Force and U.S Department of Veterans Affairs.

For some of the open commercial kBox facilities in the U.S. (and elsewhere), see this list.


Andreas Ahlström

Exxentric Inc. is lead by B.Sc., CSCS, Head of North America Andreas Ahlström.

Learn more about our team here.


To discuss the benefits of flywheel training in your field, or to request a trial or a proposal, contact Exxentric Inc. at any time:


Office: 503-889-0198
Cell: 503-739-1391

Exxentric Inc.
8507 SE 89th Ave
Portland, OR 97266
United States



kBox4 Active

The Newest model, the kBox4 Active is built on proven, reliable technology. The perfect tool in strength and rehabilitation at our lowest price point.

  • Newest Model
  • Holds 1-2 Flywheels
  • kMeter Compatible
  • Weighs 15 kg
  • Starting at €1 410 / $1 635
Shop System

kBox4 Lite

Often chosen for its smaller foot-print, the kBox4 Lite model is of a lower weight, portability and not to mention its competitive entry cost level.

  • Portability
  • Holds 1-4 Flywheels
  • Built in kMeter
  • Weighs 9.5 kg
  • Starting at €2 300 / $2 665
Shop System

kBox4 Pro

The kBox4 Pro is our premium model with the greatest versatility. It’s ideal for sports teams and larger training and physiotherapy facilities.

  • Largest Floor Space
  • Holds 1-4 Flywheels
  • Built in kMeter
  • Weighs 15.5 kg
  • Starting at €2 990 / $3 465
Shop System


The kPulley2 is the ideal horizontal solution for improving strength by offering flywheel training for rotational and pull exercises.

  • Horizontal Model
  • Holds 1-2 Flywheels
  • Built in kMeter
  • Easy to assemble
  • Starting at €1 890 / $2 190
Shop System