Revolutionize the way you work out with the TRNR X31 resistance system, offering a more efficient, varied, and safe workout - anywhere, anytime.

Stronger and well-defined muscles in your arms, legs, chest, abs, glutes, and back are more achievable than ever with this unique system that rivals your entire gym experience.

The progressive resistance throughout the range of motion maximizes your results while being gentle on your joints.

The Clip Attachment System allows you to diversify your workout and keeps your session engaging.

Select your favorite gym and Pilates exercises from the posted poster and adjust the resistance (3.4 kg to 68.6 kg) according to your personal needs.

The door and outdoor anchors open up a world of exercise possibilities, allowing you to move in every direction.

Setup is quick and easy - all you need is a door or a sturdy object like a bench, tree, or pole. Transitioning from upper body to lower body exercises takes just seconds, simply swapping the handles with the ankle straps.

• The innovative Safety String prevents overstretching and breaking of the tubes.
• 31 possible resistance load combinations.
• Resistance range 3.4 kg - 68.6 kg (7.5 lb - 151.2 lb).
• Clip Attachment System allows for stacking resistance and quick transition from upper to lower body exercises.

• 5 X Power Tubes: X-Light (Red), Light (Blue), Medium (Orange), Heavy (Gray), and X-Heavy (Black).
• Pair of Handles for upper body exercises.
• Pair of Ankle Straps for lower body exercises.
• Door Anchor.
• Outdoor Anchor.
• TRNR Carrying Bag.
• Exercise Poster.