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The Hanging Reaction Comprehensive Training Set (4DPRO) is a dynamic suspension training system designed to enhance strength, reaction, balance, and full-body athletic performance.
| Description | includes an instructional video disc |
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The 4DPRO hanging reaction training system uses dynamic suspension to improve explosive strength, balance, and full-body coordination through multi-directional movement. 
Designed for strength, speed, reaction, and core training, it supports a wide range of exercises suitable for athletes, functional training, and rehabilitation programs.
SJ FITNESS specializes in high-performance rubber flooring and strength training equipment tailored for commercial gyms and professional fitness spaces. Our product range includes rubber gym rolls, tiles, and mats, functional and CrossFit zone flooring, and safety flooring for kindergartens. We offer strength equipment such as high-elastic and competition bumper plates, rubber-coated weight plates, hex dumbbells, and PU dumbbells. Accessories include Olympic barbells and collars, lifting platforms and racks, and functional training gear. SJ FITNESS is ISO 9001 and CE certified, holds an AAA credit rating, and exports to over 30 countries worldwide with comprehensive quality control and support.