X3-Pro System (50M)

X3-Pro | Aquatic Resistance Trainer Train Smarter. Swim Stronger. Anywhere. The X3 Pro is built for swimmers and triathletes who demand more from every stroke. Engineered for high-resistance training and long-term durability, it integrates seamlessly into the GMX7 training ecosystem to enhance strength, speed, and precision—whether you're building power or sharpening technique. Choose from 25m or 50m configurations to match your training environment and performance needs. Key Features: Ultra-smooth, adjustable bi-directional resistance On-the-fly tension control for customizable training Enhances stroke correction, power output, and race prep Designed for serious athletes and elite-level development What’s Included: Each unit includes all clips and accessories to connect with standard lane line hardware, plus a belt and leash system for one swimmer.