Four sets of double-layer springs, consisting of four outer layer springs and four inner layer springs, offer a versatile range of strength options, ranging from 90 to 220 pounds. Each inner spring contributes 22.5 pounds of resistance, while each outer spring provides 32.5 pounds.

Two Way Exercise Mode

This home muscle and strength-building equipment offers two training modes: inward push and outward pull. These modes allow you to focus on specific muscle groups like the chest, arms, shoulders, back, and abdominal muscles by engaging in various training movements, ultimately aiding in the rapid transformation of your entire upper body.

Solid and Durable for High-intensity Trainning

The exceptional chest expander by Reliancer is crafted using top-tier materials, including sports-grade carbon steel springs, high-density stainless steel pipe, and high-strength engineering plastics. It has successfully endured 100,000 endurance tests, demonstrating its ability to withstand high-intensity training.

Exercise Anytime Anywhere

The spring exercise bar serves as your ideal personal fitness instructor, catering to both beginners and experienced individuals. It is exceptionally well-suited for working out your wrists, arms, shoulders, chest, and back simultaneously, facilitating the rapid development of larger pectoral muscles, deltoids, biceps, trapezius, latissimus dorsi, and more.