Red (10-35lbs): Low resistance for warm-up, stretching and light strength training. Perfect for shoulder training and other high performance speed training.
→ Black (15-35): Light to medium resistance to mobility exercises and stretching.
→ Purple (35-85): Moderate to severe resistance for moderate fitness exercises and strength training. Also suitable as medium support for pull-ups.
→ Green (50-125lbs) Heavy resistance for heavy weight training, strong support in pull-ups. Perfect for speed and agility training such as push ups, squats, bench presses and other exercises.