Built for Strength. Designed for Professionals.

The Skelcore Trinity Abdominal Crunch Pin Load is engineered for high-performance fitness facilities demanding consistent, reliable core training equipment. Built with precision-machined steel, aluminum pulleys, and Commercial-grade upholstery, it delivers a smooth, consistent motion even under daily high-throughput use. From boutique studios to full-scale Commercial gyms, this selectorized ab machine ensures members achieve superior core engagement with maximum comfort and control.

What It Is & Who It's For

This professional-grade Commercial abdominal crunch machine isolates and strengthens the entire core through a natural crunch motion. Designed for gyms, studios, and personal training facilities, it enables members to target upper and lower abs safely and efficiently. The 176 lb. (80 kg.) weight stack provides scalable resistance for all levels, while adjustable seating and range of motion settings ensure a customized fit. Ideal for facilities seeking durable, biomechanically sound equipment that promotes consistent member engagement and measurable results.

Key Features

• 176 lb. Weight Stack — Offers progressive resistance ideal for both beginners and advanced users, enabling scalable training intensity across varied programs.
• PU Upholstery with Multi-Layer Foam — Provides superior comfort and longevity, maintaining shape and support through continuous daily use.
• Steel Front Shroud with Laser-Cut Logos — Enhances aesthetics while protecting internal mechanisms from dust and contact, adding a professional look to your floor layout.
• Pop-Pin Adjustments — Simplifies seat and range-of-motion setup, minimizing downtime between users and maximizing throughput.
• Aluminum Pulleys — Deliver ultra-smooth movement and reduced wear, ensuring a frictionless experience and consistent performance over years of use.

Primary Exercises & Use Cases

• Abdominal Crunch — Strengthens the upper and lower abdominal wall for improved core definition and stability.
• Core Conditioning — Enhances balance and posture, ideal for full-body strength or functional fitness Programming.
• Sport-Specific Training — Supports rotational and trunk-flexion work essential in sports performance conditioning.
• Perfect for Beginner Onboarding, PT Sessions, and Small Group Training Pods — Smooth mechanics and simple adjustments make it accessible for all levels.

Benefits for Gym Owners

• Member safety & confidence: The controlled motion path and secure pin-loaded resistance minimize injury risk and support proper form.
• Space efficiency: Compact 53.15" x 38.58" footprint integrates easily into selectorized machine circuits without overcrowding.
• Durability: Heavy-duty steel frame, aluminum pulleys, and reinforced upholstery withstand continuous Commercial use in busy facilities.
• Low maintenance: Sealed bearing systems and cable routing reduce service intervals, keeping the machine operational with minimal downtime.
• Revenue impact: Boosts engagement in personal training, small-group core classes, and hypertrophy programs by offering premium, results-driven equipment.

Technical Specifications

• Set-Up Size (in. / mm): 53.15 x 38.58 x 60.63 in. / 1350 x 980 x 1540 mm
• Padded Material: PU Upholstery with Multi-Layer Foam
• Max User Weight ( lb. / kg.): 330.69 lb. / 150 kg.
• Weight Stack ( lb. / kg.): 176 lb. / 80 kg.
• Max Total Load Weight ( lb. / kg.): 220 lb. / 100 kg.
• Construction: Steel front shroud with laser-cut icon logos
• Adjustment System: Pop-Pin Adjustment
• Pulley System: Aluminum pulleys for smooth movement

Placement & Programming Tips

• Ideal for Selectorized Machine Circuit Zones and PT / Small Group Training Bays
• Pair effectively with adjustable benches, dumbbells, and turf systems for integrated circuit setups
• Use in beginner onboarding, core strength blocks, and sports performance sessions for targeted abdominal training

Care & Maintenance

• Wipe down all PU surfaces daily using a mild disinfectant to maintain hygiene and material integrity.
• Inspect pop-pins, seat adjustments, and cables monthly for wear and proper alignment; lubricate pulleys quarterly for optimal performance.

Warranty & Support

All Skelcore Commercial equipment is backed by comprehensive manufacturer support. Each product is engineered to perform under continuous Commercial use, with service assistance available for parts, cables, and upholstery.

Why Skelcore

Skelcore stands at the forefront of Commercial fitness innovation—merging modern design, biomechanical precision, and uncompromising durability. Trusted by facility owners and elite trainers worldwide, Skelcore equipment is built to deliver lasting performance and elevate every training experience.