made in the usa
Backed by more than 30 years of manufacturing excellence, Exerfly’s USA-crafted equipment combines precision engineering with superior craftsmanship to deliver unmatched performance, durability, and quality.
Backed by more than 30 years of manufacturing excellence, Exerfly’s USA-crafted equipment combines precision engineering with superior craftsmanship to deliver unmatched performance, durability, and quality.
Motorized eccentric overload, unlimited resistance, and real-time performance data.
Proudly trusted by world-class organizations
The only flywheel with motorized eccentric overload. Add 1-80% eccentric overload on every rep based on your concentric output.
Exerfly is built to endure, made with premium materials to stand the test of time. Proudly manufactured in the USA.
Exerfly devices have the largest loading capacity on the market with 5 flywheel sizes, and the ability to stack up to 8 flywheels at once.
Explore our range of premium flywheel training equipment
Exerfly’s motorized technology increases kinetic energy during the eccentric phase, adding up to 80% eccentric overload on every rep.
Learn more
“The eccentric motor serves as a way to avoid underloading a very important phase of movement that is critical to success in sport.”
“Few training tools can span the full continuum from rehabilitation to athletic performance. In my experience, flywheel training is one of them.”
“The Exerfly experience is second to none. Flywheel training is a unique modality that cannot be replicated with any other modality of training.”
“Exerfly served as a very good adjunct to my later stage post-op athletes as well as utilizing it during my strength classes for athletes that present with power and/or strength deficits.”
Two post-ACL football players. Eight weeks of Exerfly motorized flywheel training. A 39% stronger squat.
User applies force by pulling or pushing against the flywheel, just like lifting a weight.
The greater the effort the greater the force, automatically adapting to the user's output.
Control the return of the flywheel back to its initial position, eccentrically loading the working muscles.
Stimulate superior muscular adaptations compared to traditional gravity-based strength training methods.
.avif)
© 2026 Exerfly. All rights reserved.
