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Defy Your Limits

Defy Resistance

Defy Gravity

Defy The Odds

Defy Boundaries

The DFY Trainer delivers popular sports performance resistance training technology into the gym. Variable resistance levels create both fun and functional training with ease. The DFY can be configured for lower intensity and larger loading levels, or high intensity training with lighter resistance. An optimized training tool with unlimited speed and agility integration under load. Wherever your next training adventure takes you, DFY Your Limits™!

Learn more about the DFYtrainer

Request a consultation from one of our Functional Design Specialists:

DFY Trainer
DFY Trainer
DFY Trainer


  • 360◦ Belt System
  • 22 Meters (72’) cord length
  • Constant Resistance
  • Infinitely Variable Load Levels
  • Optional Training Vest and Various training handles
  • Portable – Perfect for Indoor or Outdoor use

The DFY Trainer supports unlimited exercise potential and a vast array of rotational movements. Train for sport, flexibility, agility, strength, and balance!

Ropes and bands held by coaches is fundamentally effective, but the pulling resistance is limited by the material itself, inconsistent resistance, and a trainer’s availability! The DFY Trainer eliminates these variables and allows for freedom of movement and personal usage anytime and anywhere!

No Power Required.

Designing the Exercise Experience

At Aktiv we amplify dynamic training areas for health clubs, specialty studios, and outdoor environments alike. Our mission is to establish safe, functional, and revenue-generating space while our clients deliver inspirational exercise experiences. Integrating the principles of functional fitness with the technical expertise of functional design is our calling.

Our Partners

GYM RAX, FitGraphix, revel PRO, CORMAX, AntiGravity, Ecore, BOSU, NuBells, Nija Grips. GoFlo, HyperWear