Built for Strength. Designed for Professionals.

The Skelcore Trinity Biceps/Triceps Pin Load is engineered for facilities that demand durability, efficiency, and a compact footprint. This dual-function selectorized strength machine is designed for high-volume training environments, offering seamless transition between exercises and premium ergonomics. Every detail—from its steel frame to its precision pulley system—reflects Skelcore’s commitment to performance-grade quality for modern gyms, studios, and athletic facilities.

What It Is & Who It's For

The Skelcore Trinity Biceps/Triceps Pin Load is a Commercial-grade arm training station built for gyms seeking to deliver efficient, space-saving strength solutions. This machine targets both the biceps and triceps through controlled curl and extension movements, allowing for complete upper-arm development. Its adjustable seat and multiple grip positions support a wide range of users and training styles, from beginners building foundational strength to seasoned athletes refining arm definition. Designed for selectorized machine circuits and PT zones, it brings reliability, comfort, and versatility to any professional fitness floor.

Key Features

• Dual-function design — Trains both biceps and triceps on one compact, selectorized unit, maximizing space efficiency and member convenience.
• 176 lb. weight stack — Provides smooth, consistent resistance for all fitness levels, from novice lifters to advanced athletes.
• Adjustable seat & ergonomic grips — Supports proper body alignment and comfortable positioning for various user heights and arm lengths.
• Aluminum pulleys & precision cables — Ensure a smooth, friction-free motion path that enhances member experience and reduces wear.
• Commercial-grade construction — Built with a steel front shroud, laser-cut icon logos, and durable PU upholstery designed for years of daily use.

Primary Exercises & Use Cases

• Bicep Curls — Targeted strength and hypertrophy for the biceps brachii.
• Tricep Extensions — Focused contraction and development of the triceps muscle group.
• Single-arm isolation — Promotes balanced muscular development and symmetry.
• Ideal for beginner onboarding, PT sessions, and small-group hypertrophy programs.

Benefits for Gym Owners

• Member safety & confidence: Pop-pin adjustments and controlled cable mechanics allow safe, repeatable movement patterns with reduced injury risk.
• Space efficiency: Combines two essential arm machines into one, freeing up valuable floor space in strength and selectorized zones.
• Durability: Designed for continuous Commercial use with a heavy-duty frame, sealed bearings, and corrosion-resistant finishes.
• Low maintenance: Aluminum pulleys and high-tensile cables minimize mechanical friction and extend equipment life.
• Revenue impact: Enhances member satisfaction through premium feel and supports personal training upsells and small-group circuit packages.

Technical Specifications

• Set-Up Size (in. / mm): 53.54 × 40.16 × 60.63 in. / 1360 × 1020 × 1540 mm
• Padded Material: PU upholstery with multi-layer foam
• Max User Weight ( lb. / kg.): 330.69 lb. / 150 kg.
• Load Weight / Weight Stack: 176 lb. / 80 kg.
• Max Total Load Weight: 220 lb. / 100 kg.
• Construction Features: Steel front shroud with laser-cut icon logos
• Adjustment System: Pop-pin adjustment
• Pulley Type: Aluminum pulleys for smooth movement

Placement & Programming Tips

• Ideal for the Selectorized Machine Circuit Zone and PT / Small Group Training Bay.
• Pairs effectively with adjustable benches, free weights, and dumbbells for complete upper-body routines.
• Integrates into hypertrophy and bodybuilding programs, circuit training blocks, and beginner onboarding protocols.

Care & Maintenance

• Wipe down upholstery and handles daily using a mild detergent or approved gym-grade cleaner.
• Inspect adjustment pins, pulleys, and cables weekly to ensure proper tension and mechanical integrity.

Warranty & Support

All Skelcore Commercial selectorized units include comprehensive manufacturer support and warranty coverage, ensuring lasting reliability and service continuity for gym operators worldwide.

Why Skelcore

Skelcore designs and engineers fitness solutions for the modern Commercial facility—balancing innovation, durability, and sleek aesthetics. Trusted by athletes, trainers, and gym owners, every Skelcore machine is built to perform under pressure.