Product Overview
The Spirit Fitness SP-4331 Pec Fly / Rear Delt is a dual-function strength machine designed to deliver precise upper-body isolation for both chest and rear shoulder development. By combining pec fly and rear delt movements into a single station, it enables balanced muscle training while maximizing space efficiency. Engineered for smooth biomechanics, adjustable positioning, and commercial durability, this machine ensures consistent performance and user comfort in high-demand fitness environments.
PIN: SP-4331
Key Features
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Dual-Function Upper Body Training
Targets both pectoralis (chest) and posterior deltoids (rear shoulders) in one compact unit for balanced development.
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Adjustable Range of Motion & Multiple Grip Options
Allows users to fine-tune positioning and vary exercises for optimal muscle engagement.
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Independent Arm Movement
Promotes symmetrical strength development and improved muscle isolation.
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Ergonomic Adjustable Seat
Ensures proper alignment with the machine’s axis for users of all sizes.
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Smooth, Controlled Resistance
Cable-driven system delivers fluid motion for safe and effective training.
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Integrated Rep Counter & Storage
Built-in tracking and top-cap storage enhance convenience and workout efficiency.
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Commercial-Grade Construction
Heavy-duty steel frame and premium components ensure long-lasting durability.
Specifications
Performance
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Exercise Type: Pec fly & rear delt fly
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Resistance System: Selectorized weight stack
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Weight Stack: 115 kg / 250 lb
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Increment: Approx. 5 lb (2.2 kg) increments
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Movement: Independent arms with cable-driven resistance for smooth, controlled motion
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Target Muscles: Chest (pectorals), rear deltoids, and upper back
Design & Build
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Frame: Heavy-duty commercial-grade steel
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Finish: Powder-coated, corrosion-resistant surface
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Seat: Adjustable, ergonomic design for proper alignment
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Handles: Multiple grip positions for exercise variation
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Mechanics: Adjustable range of motion with independent arm movement
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Cushioning: High-density foam with durable upholstery
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Convenience Features: Integrated rep counter, storage tray, and accessory-friendly top cap
Dimensions & Capacity
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Dimensions (L × W × H): 1451 × 1463 × 1985 mm (57" × 58" × 78")
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Machine Weight: 239 kg / 527 lb
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Weight Stack: 115 kg / 250 lb
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Maximum User Weight: Approx. 180 kg / 360 lb
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Footprint: Compact dual-function design optimized for commercial gym layouts
