The Force USA Jammer Arms for the G9 and G12™ bring explosive, athletic strength exercises right to your all-in-one machine. Standing shoulder presses, guided rowing exercises, chest presses, and athletic training—all with the freedom of movement provided by a lever arm that follows your body’s natural path.

Key Benefits

• Pivoting lever arm with weight support: Push and pull movements along a controlled but not completely fixed path.
• Greater muscle activation, more natural biomechanics: New training stimuli that standard cable machines don't provide.
• Precision Fit: Designed specifically for the mounts on the G9 and G12™—no drilling or permanent modifications required; can be installed and removed without leaving any permanent changes.
• High-quality design: Sturdy steel construction, low-friction hinge for smooth movement, rubberized handle.

Technical Specifications

• Compatibility: Force USA G9 and G12™ All-in-One Trainers
• Construction: Heavy-duty steel for high continuous loads
• Joint: Low friction for smooth movement
• Handle: Rubberized for a secure grip

Applications

• Standing Jammer Press – Explosive Power in the Shoulders and Triceps
• Alternating Jammer Press – unilateral, rotation-stabilizing
• Jammer Row – Back and Biceps with a Free Path
• Incline and Decline Variations – Chest and Shoulders
• Athletic Training – Simulates Movements in Contact Sports

Frequently Asked Questions (FAQ)

Do these arms also fit the G6™ or G15™?
No—these are designed exclusively for the G9 and G12™.

Can I attach free weight plates to the Jammer Arms?
Depending on the model, weight plates can be attached—check the technical specifications.

How do I install the Jammer Arms?
Installation on existing mounting points—instructions included. No drilling required; completely reversible.