Dynamic Fringe Sport Osprey (3x3) Commercial Power Cage - Rack-FS-3x3-30
Looking for a commercial-grade power cage that delivers unmatched stability, versatility, and durability? The Fringe Sport Osprey 3x3 Commercial Power Cage is built to handle heavy lifts, intense workouts, and dynamic movements without budging.
With a massive 1,200lb weight capacity, 3" x 3" 11-gauge steel uprights, and 1" holes for universal attachment compatibility, this rack is made for lifters who demand the best. Whether you're hitting heavy squats, performing muscle-ups, or setting up a full gym rig, the Osprey gives you the freedom to build your ideal training setup.
Choose from two depth options (30" or 41"), pick your safety spotter system, and add the attachments you need—the Osprey works with all major 3x3 rack accessories, so you're not locked into a single ecosystem. This is a power rack built for a lifetime of gains.
Features
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Commercial-Grade 3x3 11-Gauge Steel Frame: Built rock solid for heavy lifters, with a 1,200lb weight capacity.
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Universal Compatibility with 1” Hole Attachments: Works with all major brands' 3x3 rack attachments, so you can customize without limits.
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Two Depth Options (30” or 41”): Choose 30” for a compact setup or 41” for more workout space.
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Matte Black Powder Coat Finish for Ultimate Durability: Protects against scratching, chipping, and fading, keeping your rack looking new.
- Three Safety Spotter Options
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Safety Straps: Best for dynamic lifts and Olympic-style training.
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Pin Pipes: Traditional, solid steel safety bars for max stability.
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Spotter Arms: Heavy-duty, adjustable safety arms for powerlifting.
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Four-Post Design for Maximum Versatility: Allows for tons of rack attachments, including pull-up bars, storage solutions, and pulley systems.
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Optional Extension Feet for Added Stability: Ensure zero movement even with high-intensity workouts.
Specifications
| Material |
11-gauge steel with matte black powder coat finish |
| Dimensions (W × D × H) |
47” × (30” or 41”) × 89” |
| Weight Capacity |
1,200 lbs |
| Upright Size |
3” × 3” |
| Hole Size |
1” (compatible with all standard 3×3 rack attachments) |
| Product Weight |
110 lbs |
What our Experts Think
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Versatile rope-resistance training: Adjustable rope-pull resistance supports multiple angles — vertical, diagonal, horizontal, and reverse — for strength, cardio, and functional training.
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Dynamic Magnetic Brake system: Smooth, adjustable resistance allows progression from light endurance or rehab sessions to high-intensity strength or power work.
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Full-body engagement: Rope pulling activates back, arms, core, and lower-body stabilizers, promoting functional strength, endurance, and grip development.
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Compact, durable design: Sliding carriage and rope orientation system provide flexibility while maintaining a manageable footprint for home or gym use.
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Adaptable training tool: Suitable for explosive power, endurance, grip strength, or rehabilitation — a multi-functional trainer for varied fitness goals.
Q&A
Q: What is the Marpo VMX Rope Trainer?
A: A commercial-grade, multi-mode rope trainer that delivers dynamic-resistance workouts for strength, power, cardio, and functional training — suitable for home gyms, performance centers, or group training.
Q: How does the resistance system work?
A: Uses a Dynamic Magnetic Brake (DMB) system with adjustable resistance. The resistance adapts to how hard or fast you pull, allowing both light and heavy training.
Q: What exercises can be performed?
A: Supports vertical, diagonal, horizontal, and reverse-pull rope movements. Adjustable angles allow push, pull, squat, lunge, bend, and rotational full-body functional exercises.
Q: What about versatility and user capacity?
A: Sliding carriage allows quick rope orientation changes and grip adjustments. Multiple users can perform paired or sequential workouts efficiently.
Q: What feedback and tracking features are included?
A: Electronic display tracks distance, time, speed, and calories, supporting strength, endurance, and cardio-focused training.
Q: What are the size and power requirements?
A: Dimensions: ~97″ H × 82″ W × 40″ D; weight: ~210 lbs. Operates on battery power (AA batteries), no AC wiring required.
Q: Who is this trainer suited for?
A: Ideal for athletes, functional fitness enthusiasts, or anyone seeking a versatile rope-based full-body workout at home or in a performance facility.
Maintenance Tips
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Wipe down frame and handles after each use with a soft, damp cloth to remove sweat and dust, preventing corrosion and grime buildup.
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Inspect ropes, cables, and pulleys regularly for fraying, kinks, or wear; replace damaged parts immediately to maintain safety and smooth operation.
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Lubricate moving parts and pulleys periodically to ensure smooth motion and prevent excessive friction or wear on guide rods, bearings, and wheels.
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Tighten bolts, nuts, and fasteners frequently to maintain structural stability and avoid wobbling or loosening during workouts.
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Clean padded surfaces gently with mild, non-abrasive cleaners; avoid harsh chemicals that could degrade the material.
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Store in a dry, well-ventilated space to reduce moisture-related corrosion or mold, especially in humid environments.
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Follow the manufacturer’s recommended maintenance schedule and use only original replacement parts for repairs.
