True North Bicep Curl

The True North Bicep Curl is a commercial-grade, selectorized strength machine purpose-built to deliver precise, controlled, and highly effective biceps training. Designed for professional fitness facilities, training studios, and premium home gyms, this machine emphasizes proper biomechanics, comfort, and durability to support consistent upper-arm development across all fitness levels.

The defining feature of the True North Bicep Curl is its ergonomically angled arm cushions, which position the upper arms optimally to isolate the biceps while minimizing shoulder involvement. This design promotes cleaner movement patterns, helping users maintain constant muscle tension throughout each repetition while reducing unnecessary joint stress. The guided motion path ensures consistent resistance from start to finish, making the machine suitable for both beginners learning proper form and advanced users seeking focused hypertrophy work.

Constructed from heavy-duty 11-gauge commercial-grade steel, the frame provides exceptional structural integrity for high-volume, daily use. The steel tubing is finished with a durable electrostatic powder coat, protecting the machine from corrosion, wear, and moisture in demanding gym environments. Standard rubber feet help stabilize the unit while protecting flooring surfaces.

Comfort and control are central to the training experience. The premium molded foam seat and arm cushions provide long-lasting support and maintain their shape even under repeated use. Urethane composite hand grips, secured with aluminum collars, prevent slipping and ensure consistent hand placement during training, improving confidence and grip stability.

The resistance system is engineered for smooth, reliable performance. A 212 lb solid-steel weight stack with self-lubricating bushings delivers consistent resistance, while a lubricated, nylon-coated 7×19 strand cable operates over 4.5-inch nylon pulleys with sealed bearings to minimize friction and noise. The 1:1 pulley ratio provides a direct resistance feel, and a magnetic selector pin securely locks into place to prevent accidental disengagement. Optional stack upgrades allow facilities to scale resistance as training demands increase.

With its compact footprint and efficient layout, the True North Bicep Curl integrates easily into crowded strength floors without sacrificing functionality, making it a reliable, long-term investment for focused arm training.

Features

• Commercial-grade 11-gauge steel frame for long-term durability
• Ergonomically angled arm cushions for improved biceps isolation
• Molded foam seat and arm pads for comfort and resilience
• Urethane composite hand grips secured with aluminum collars
• Solid-steel 212 lb weight stack with self-lubricating bushings
• Lubricated nylon-coated 7×19 strand cable system
• 4.5″ nylon pulleys with sealed bearings for smooth motion
• Magnetic selector pin tethered to stack for safety
• Compact footprint for efficient space utilization
• Standard rubber feet to protect flooring and stabilize the machine

Technical Specifications

• Dimensions: 45″ L x 41″ W x 55″ H (114.3 x 104.1 x 139.7 cm)
• Product Weight: 450 lbs (204 kg)
• Weight Stack: 212 lbs (96 kg)
• Included Add-On Plates: (2) × 5.5 lbs (2.5 kg) incremental plates
• Weight-to-Pulley Ratio: 1:1
• Max User Weight: 350 lbs (158 kg)
• User Height Range: 4’11″–6’5″ (149.86–195.58 cm)
• Pulley Type: 4.5″ nylon pulleys with sealed bearings
• Frame Color: Black
• Upholstery Color: Black