One of the first Weller Spring Floor tests at U of Illinois. With Justin Spring, Paul Ruggeri and Melissa Fernandez.

Everything we do we believe in challenging the status quo; we believe in thinking differently.  The way we challenge the status quo is by making our products beautifully designed, scientifically engineered for safety, athlete friendly, and injury reducing.


Who We Are

Scott M. Weller                 

CEO of King Bars Sports LLC and the inventor of The Weller Spring Floor. A gymnast at the University of Michigan and Arizona State University.  Also, a Football Cheerleader at ASU.  Scott worked with former World Champion and Olympian, Kurt Thomas, in staging gymnastics shows across the USA including "Gymnastics America" at Sea World.  He served on the Board of Sun Devil Gymnastics at Arizona State U.  Scott also produces and directs live corporate entertainment events.

Creating Happy Gymnasts!

Our History

Scientifically Tested

It's a closer matched response and reduces the peak impact force while also reducing the intensity and duration of floor vibrations.  

Our expertise


NOTE: Any activity involving motion, height or speed creates the possibility of serious injury.  Always have appropriate coaching and supervision and check the condition of your equipment to ensure safety.

Weller Spring Floor

2008 – 
Impact Testing at the AAI Facility in Jefferson, Iowa proves all the claims of The Weller Spring Floor. 
2009 – Valeri Liukin Invitational is the first international competition using  The Weller Spring Floor.  The VL Invite attracts top teams from across the USA and the world. As one of the largest and longest running International competitions in the United States, the Valeri Liukin Invitational brings together a magnificent field of competitors and is an outstanding opportunity to compete with future Olympic stars.
2011 – First Patent Approved on August 9, 2011 by United States Patent Office.
2012 Second Patent Approved on December 25, 2012 by United States Patent Office. 


2016 -

Growth of gyms using The Weller Spring Floor to train and compete continues as it expands across the U.S.

Approved Supplier for The Walt Disney Company.

New spring deck design invented for the Chinese acrobat team performing in Tarzan at the new Shanghai Disneyland Resort.