Frederick Concepts is an entity who designed, supports, and markets the Extreme ab and arm wheel. It currently has several patent applications with the US Patent and Trademark Office pertaining to the design and method of use of the Extreme ab and arm wheel, multi-purpose exerciser. For more information please contact us!
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"I believe the Extreme ab & arm wheel has performance implications for a range of sports and utilities that rely on core, upper body, and arm strength, from boxing, MMA, football, basketball, baseball, track and field,swimming, wrestling, to enhancing arm strength and stability for target practice and hunting."
-Ken Frederick, Inventor of Extreme Ab & Arm Wheel
U.S. Patented Design - Made in the U.S.A
Patent No: US D679,347 S and US D679,348 S