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Steelflex Multi-Stack Home Gym MG300B

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Original Price $7,689.00
Current Price $7,399.00 + Free Shipping

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Ships fast in 2-4 weeks with appointment by freight delivery

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Steelflex Multi-Stack Home Gym MG300B

Train like a full weight room—without the space or complexity.

The Steelflex MG300B Multi-Gym is a heavy-duty, multi-station strength system built to deliver true health-club performance in a single, integrated machine. Designed for smooth biomechanics and efficient movement patterns, the MG300B combines a massive 630 lb selectorized weight stack, fully adjustable pec arms, and multiple training stations—allowing up to three users to train simultaneously without cable changes or setup delays.

Steelflex Multi-Stack Home Gym MG300B Features

  • Multi-Station Commercial Training System – Supports full upper-body, lower-body, and core training across multiple stations at the same time.
  • 3 x 210lbs Selectorized Weight Stack – 3 x 210lbs Stacks (SP-10 lbs. × 60 pcs + 10 lbs. x 3 top plates) delivers serious resistance for advanced strength training without plate loading.
  • 12-Gauge Steel Mainframe – Built from 1.968" × 2.952" (50 × 75 × 2.5T) steel tubing for exceptional rigidity and long-term durability.
  • Fully Adjustable Pec Training Arms – Adjustable range of motion accommodates users of different sizes and training goals.
  • Integrated Leg Press & Calf Press – Train lower body strength without a separate machine.
  • Cable Column System – High, mid, and low pulley functionality supports functional, isolation, and rehabilitation exercises.
  • VKR & Dip Station – Vertical knee raise and dip handles target core, arms, and upper body.
  • No Cable Change Adjustments Required – Seamless transitions between exercises for faster, more efficient workouts.
  • Commercial Cable System7×19 stainless steel cables engineered for smooth movement and long service life.
  • Full Weight Stack Shrouds – Enclosed steel shrouds enhance safety, reduce noise, and give the machine a clean commercial finish.
  • Ergonomic Padding & Lumbar Support – Commercial upholstery and lumbar pads promote comfort and proper alignment.
  • Electrostatic Powder-Coated Finish – One-coat powder process resists wear, corrosion, and chipping.
  • Instructional Placard Included – Built-in exercise guidance for ease of use.

Steelflex Multi-Stack Home Gym MG300B Includes:

  • Steelflex MG300 Multi-Gym Base Unit
  • 3 X 210lb Integrated Weight Stacks
  • Leg Press & Calf Press Station
  • Cable Column (high, mid, and low pulley use)
  • Lat Pulldown Station
  • Leg Extension / Leg Curl Station
  • Ab Crunch Station
  • Vertical Knee Raise & Dip Station
  • Instructional Placard

Targeted Muscle Groups Worked

  • Legs & Glutes – Leg press, calf press, leg extension, leg curl
  • Back – Lat pulldowns, rows, pull-ups
  • Chest – Pec arms, cable fly variations
  • Shoulders – Upright rows, lateral and front raises
  • Arms – Biceps curls, triceps pushdowns, dips
  • Core – Ab crunches, knee raises, rotational cable work

Best for: High-end home gyms, personal training studios, and light commercial facilities that want maximum resistance, multiple users, and full-body training in one commercial-grade system.

Steelflex Multi-Stack Home Gym MG300B Specs

  • Dimensions: 265 × 254 × 241 cm / 104" × 100" × 95"
  • Standard Weight Stack: 3 x 210lbs Stacks (SP-10 lbs. × 60 pcs + 10 lbs. x 3 top plates)
  • Weight Stack: High-quality weight plates for smooth and durable operation
  • Cables: 7 × 19 Carbon steel, the tensile strength of more than 2090 lbs.(950 kg)
  • Driving System: Cable
  • Shroud: 1.2T acrylic delicate safety cover
  • Mainframe: 12 Heavy Gauge 1.968" × 2.952 steel tubing (50 x 75 x 2.5T) 
  • Frame Finish: One-coat powder process, electrostatically applied powder coat finish, dark grey
  • Instructional Placard: Included
  • Upholstery: High-density foam
  • Handgrips: Dipped PVC Handle
  • Product Weight: 1410 lbs. / 641 kg

Steelflex Warranty

Frequently Asked Questions

  • Yes, free shipping on all orders. Larger items ship via freight to your curb. Inside delivery and installation available for an additional fee, call/text (646) 657-8856 or chat with us.
  • Most equipment requires basic assembly, instructions and hardware included. Professional installation available for an additional fee. For a quote, call/text (646) 657-8856 with your zip code, room location, and stair count.
  • 30-day returns on all equipment in unopened, original packaging. Restocking fees may apply. Contact us before returning: (646) 657-8856 or email - we're here to help!
  • All items are insured during shipping. If your equipment arrives damaged, text photos or call us immediately at (646) 657-8856. We'll arrange a replacement or repair at no cost.
  • All equipment includes manufacturer warranty. Check product specifications for details, or contact us at (646) 657-8856.
  • Yes, flexible payment plans available. Apply at checkout to see your options.
  • Yes, many products are HSA/FSA eligible with a letter of medical necessity from your healthcare provider. Select Trumed to generate one at checkout.

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