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Welcome To Peak Flow Fitness | Chat With An Expert By Texting Or Calling 646-921-5221
Welcome To Peak Flow Fitness | Chat With An Expert By Texting Or Calling 646-921-5221

Muscle D Fitness

Muscle D Fitness — heavy-duty commercial gym equipment built for high-traffic facilities. Plate-loaded, selectorized, and free-weight machines designed for daily institutional use.

We're an authorized Muscle D Fitness dealer carrying their full commercial lineup: Elite series (premium commercial), Standard series (mid-commercial), and free-weight Olympic equipment. Every Muscle D machine is built with commercial-grade 11-gauge steel frames, premium upholstery, and engineered for 8+ hours of daily use.

Most popular Muscle D categories:

  • Plate-loaded strength — chest press, leg press, lat pulldown, hack squat, smith machines
  • Selectorized stations — full-body cable systems with 200–310 lb stacks
  • Power racks & squat racks — commercial-spec rigs with safety bars, J-cups, attachments
  • Olympic benches — flat, incline, decline, FID
  • Functional training — cable crossovers, dual-stack trainers

Why Muscle D for commercial facilities:

  • Frame gauge — 11-gauge or thicker steel; built for institutional warranty terms
  • Pulley specs — 1:1 cable ratio (true weight resistance)
  • Pad density — high-density commercial-grade upholstery
  • Warranty — manufacturer commercial warranty (5–10 years frame, depending on model)

Free shipping on orders over $999, exclusions apply (most Muscle D items ship freight — contact us for delivery cost on commercial orders). Bulk pricing for full-facility outfits.

Outfitting a commercial gym, university weight room, hotel fitness center, or training facility? Email support@peakflowfitness.com with your facility size and equipment needs for a custom quote.

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Muscle D Fitness Sweet Dumbbell Set 5-100 lb (Rack sold seperately) — weight load capacity
Muscle D Fitness Sweet Dumbbell Set 5-100 lb (Rack sold seperately) — front view Save 14% Save %
$9,073.00
$9,073.00 - $9,073.00
$9,073.00
$7,775.00
$7,775.00 - $7,775.00
$7,775.00

Sweet Dumbbell Set 5-100 lb (Rack sold seperately)

Muscle D Fitness

⚠ Premium Delivery & Installation Required Tier 3 — Call for Freight Quote Due to the size and complexity of this unit, additional...

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$9,073.00
$9,073.00 - $9,073.00
$9,073.00
$7,775.00
$7,775.00 - $7,775.00
$7,775.00
Save 14% Save %
Muscle D Fitness Pro Urethane Dumbbells - Muscle D Fitness - Quality Knurled Handles - Solid Design — weight load capacity
Muscle D Fitness Pro Urethane Dumbbells - Muscle D Fitness - Quality Knurled Handles - Solid Design — front view Save up to 18% Save %
$3,199.99 - $9,550.00
$3,199.99 - $9,550.00
$3,199.99
$2,639.00 - $9,115.00
$2,639.00 - $9,115.00
$2,639.00

Pro Urethane Dumbbells - Muscle D Fitness - Quality Knurled Handles - Solid Design

Muscle D Fitness

Step into unparalleled strength and craftsmanship with the Muscle D Fitness Pro Urethane Dumbbell Set – a masterpiece designed to redefine your fit...

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$3,199.99 - $9,550.00
$3,199.99 - $9,550.00
$3,199.99
$2,639.00 - $9,115.00
$2,639.00 - $9,115.00
$2,639.00
Save up to 18% Save %
Muscle D Fitness 5' Hard Chrome Curl Bar - Muscle D Fitness - Ergonomic Angle for Arm Training — weight load capacity
Muscle D Fitness 5' Hard Chrome Curl Bar - Muscle D Fitness - Ergonomic Angle for Arm Training — front view Save 7% Save %
$285.00
$285.00 - $285.00
$285.00
$265.00
$265.00 - $265.00
$265.00

5' Hard Chrome Curl Bar - Muscle D Fitness - Ergonomic Angle for Arm Training

Muscle D Fitness

Step right up, fitness enthusiasts, because the Muscle D Fitness Pro Hard Chrome EZ Curl Bar is about to revolutionize your arm day with a sprinkle...

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$285.00
$285.00 - $285.00
$285.00
$265.00
$265.00 - $265.00
$265.00
Save 7% Save %
Muscle D Fitness Trap Bar - Muscle D Fitness - Heavy Duty Trap Bar — weight load capacity
Muscle D Fitness Trap Bar - Muscle D Fitness - Heavy Duty Trap Bar — front view Save 12% Save %
$390.25
$390.25 - $390.25
$390.25
$345.00
$345.00 - $345.00
$345.00

Trap Bar - Muscle D Fitness - Heavy Duty Trap Bar

Muscle D Fitness

Unleash the full potential of your strength training with the Olympic Trap Bar by Muscle D Fitness – an extraordinary piece of equipment designed t...

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$390.25
$390.25 - $390.25
$390.25
$345.00
$345.00 - $345.00
$345.00
Save 12% Save %
Muscle D Fitness Olympic Safety Squat Bar - Muscle D Fitness - Thick Pads - Quality Handles — weight load capacity
Muscle D Fitness Olympic Safety Squat Bar - Muscle D Fitness - Thick Pads - Quality Handles — front view
Save 27% Save %
$475.00
$475.00 - $475.00
$475.00
$345.00
$345.00 - $345.00
$345.00

Olympic Safety Squat Bar - Muscle D Fitness - Thick Pads - Quality Handles

Muscle D Fitness

Reinvent your squat game and embrace unparalleled safety and comfort with the Safety Squat Bar by Muscle D Fitness – a revolutionary piece of equip...

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$475.00
$475.00 - $475.00
$475.00
$345.00
$345.00 - $345.00
$345.00
Save 27% Save %
Muscle D Fitness 7' Hard Chrome Triple Bearing Olympic Bar - Muscle D Fitness - Precision Performanc... — weight load capacity
Muscle D Fitness 7' Hard Chrome Triple Bearing Olympic Bar - Muscle D Fitness - Precision Performance Grade Kn... — front view
Save 20% Save %
$495.00
$495.00 - $495.00
$495.00
$395.00
$395.00 - $395.00
$395.00

7' Hard Chrome Triple Bearing Olympic Bar - Muscle D Fitness - Precision Performance Grade Knurling

Muscle D Fitness

Get ready to unleash the beast within and conquer your fitness kingdom with the Muscle D Fitness Pro Hard Chrome Olympic Bar with Bearings – the su...

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$495.00
$495.00 - $495.00
$495.00
$395.00
$395.00 - $395.00
$395.00
Save 20% Save %
Muscle D Fitness 7' Stainless Steel Olympic Bar - Bushing - Muscle D Fitness - Quality Knurling — weight load capacity
Muscle D Fitness 7' Stainless Steel Olympic Bar - Bushing - Muscle D Fitness - Quality Knurling — front view
Save 14% Save %
$694.00
$694.00 - $694.00
$694.00
$595.00
$595.00 - $595.00
$595.00

7' Stainless Steel Olympic Bar - Bushing - Muscle D Fitness - Quality Knurling

Muscle D Fitness

Embark on a revolution in strength and precision with the Muscle D Fitness Stainless Steel Bushing Olympic Bar – a pinnacle of engineering excellen...

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$694.00
$694.00 - $694.00
$694.00
$595.00
$595.00 - $595.00
$595.00
Save 14% Save %
Muscle D Fitness Hard Chrome Olympic Bar - Muscle D Fitness - 7' Length - Rotating Sleeves — front view
$195.00 - $195.00
$195.00
$195.00 - $195.00
$195.00

Hard Chrome Olympic Bar - Muscle D Fitness - 7' Length - Rotating Sleeves

Muscle D Fitness

The Muscle D Fitness Hard Chrome Olympic Bar: Unleash Your Inner Champion Without Breaking the Bank! Are you ready to pursue your strength and fitn...

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$195.00 - $195.00
$195.00
$195.00 - $195.00
$195.00
Muscle D Fitness Spring Collars (per pair) - Muscle D Fitness - Extra Strength Steel Spring Collars — front view
Save 27% Save %
$32.99
$32.99 - $32.99
$32.99
$24.00
$24.00 - $24.00
$24.00

Spring Collars (per pair) - Muscle D Fitness - Extra Strength Steel Spring Collars

Muscle D Fitness

  Secure your gains confidently using the Olympic Spring Collars by Muscle D Fitness – a pinnacle of innovation and reliability designed to redefin...

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$32.99
$32.99 - $32.99
$32.99
$24.00
$24.00 - $24.00
$24.00
Save 27% Save %
Muscle D Fitness Pro Lock Jaw Collars (per pair) - Muscle D Fitness - Sturdy Olympic Bar Jaws — weight load capacity
Muscle D Fitness Pro Lock Jaw Collars (per pair) - Muscle D Fitness - Sturdy Olympic Bar Jaws — front view
Save 31% Save %
$35.00
$35.00 - $35.00
$35.00
$24.00
$24.00 - $24.00
$24.00

Pro Lock Jaw Collars (per pair) - Muscle D Fitness - Sturdy Olympic Bar Jaws

Muscle D Fitness

  Prepare to lock in those gains and unleash the muscle magic with the Muscle D Fitness Pro Lock Jaw Collars – your fitness fairy godmother's secre...

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$35.00
$35.00 - $35.00
$35.00
$24.00
$24.00 - $24.00
$24.00
Save 31% Save %
Muscle D Fitness 7' Stainless Steel Olympic Bar - Bearing - Muscle D Fitness - Qualiity Knurling — weight load capacity
Muscle D Fitness 7' Stainless Steel Olympic Bar - Bearing - Muscle D Fitness - Qualiity Knurling — front view
Save 9% Save %
$875.99
$875.99 - $875.99
$875.99
$795.00
$795.00 - $795.00
$795.00

7' Stainless Steel Olympic Bar - Bearing - Muscle D Fitness - Qualiity Knurling

Muscle D Fitness

The Muscle D Fitness Stainless Steel Olympic Training Bar – a beacon of strength, resilience, and precision that redefines the very essence of your...

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$875.99
$875.99 - $875.99
$875.99
$795.00
$795.00 - $795.00
$795.00
Save 9% Save %
Muscle D Fitness Vertical Olympic Bar Rack - 10 Bar - Muscle D Fitness - Sturdy Vertical Olympic Ba... — weight load capacity
Muscle D Fitness Vertical Olympic Bar Rack - 10 Bar - Muscle D Fitness - Sturdy Vertical Olympic Bar Holder — front view
Save 33% Save %
$589.99
$589.99 - $589.99
$589.99
$395.00
$395.00 - $395.00
$395.00

Vertical Olympic Bar Rack - 10 Bar - Muscle D Fitness - Sturdy Vertical Olympic Bar Holder

Muscle D Fitness

  The Muscle D 10-Bar Vertical Storage Rack is the ultimate solution for organizing and optimizing your gym space. This robust, space-saving storag...

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$589.99
$589.99 - $589.99
$589.99
$395.00
$395.00 - $395.00
$395.00
Save 33% Save %
Muscle D Fitness Classic Bumper Plates with Steel Center Hub per Pair - Muscle D Fitness - Virgin Ru... — weight load capacity
Muscle D Fitness Classic Bumper Plates with Steel Center Hub per Pair - Muscle D Fitness - Virgin Rubber — front view
Save up to 10% Save %
$65.99 - $199.99
$65.99 - $199.99
$65.99
$54.95 - $179.95
$54.95 - $179.95
$54.95

Classic Bumper Plates with Steel Center Hub per Pair - Muscle D Fitness - Virgin Rubber

Muscle D Fitness

Get ready to bring the noise to your lifts with the Muscle D Fitness Classic Bumper Plates – because lifting should be as loud and proud as your pl...

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$65.99 - $199.99
$65.99 - $199.99
$65.99
$54.95 - $179.95
$54.95 - $179.95
$54.95
Save up to 10% Save %
Muscle D Fitness Sweet Olympic Plate Tree — weight load capacity
Muscle D Fitness Sweet Olympic Plate Tree — front view
Save 20% Save %
$550.00
$550.00 - $550.00
$550.00
$439.00
$439.00 - $439.00
$439.00

Sweet Olympic Plate Tree

Muscle D Fitness

Sweet Olympic Plate Tree Optimize Your Weight Storage! Introducing the Sweet Olympic Plate Tree, the ultimate solution for organizing and storing y...

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$550.00
$550.00 - $550.00
$550.00
$439.00
$439.00 - $439.00
$439.00
Save 20% Save %
Muscle D Fitness RUBBER COATED COLORED OLYMPIC PLATES: Rubber Plates, per Pair - Muscle D Fitness -... — weight load capacity
Muscle D Fitness RUBBER COATED COLORED OLYMPIC PLATES: Rubber Plates, per Pair - Muscle D Fitness - Weights Pa... — front view
Save up to 15% Save %
$32.85 - $752.99
$32.85 - $752.99
$32.85
$27.50 - $673.76
$27.50 - $673.76
$27.50

RUBBER COATED COLORED OLYMPIC PLATES: Rubber Plates, per Pair - Muscle D Fitness - Weights Pairs

Muscle D Fitness

Experience a burst of color and elevate your weightlifting journey with the Color Rubber Coated Olympic Plates by Muscle D Fitness – a vibrant fusi...

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$32.85 - $752.99
$32.85 - $752.99
$32.85
$27.50 - $673.76
$27.50 - $673.76
$27.50
Save up to 15% Save %
Muscle D Fitness Pro Rubber Olympic Plates - Per Pair - Muscle D Fitness - High-Quality Virgin Rubbe... — weight load capacity
Muscle D Fitness Pro Rubber Olympic Plates - Per Pair - Muscle D Fitness - High-Quality Virgin Rubber Olympic... — front view
Save up to 12% Save %
$27.00 - $635.88
$27.00 - $635.88
$27.00
$25.00 - $612.50
$25.00 - $612.50
$25.00

Pro Rubber Olympic Plates - Per Pair - Muscle D Fitness - High-Quality Virgin Rubber Olympic Plates

Muscle D Fitness

Unleash the power of precision and durability with Muscle D Fitness Rubber Olympic Plates, meticulously engineered for a superior lifting experienc...

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$27.00 - $635.88
$27.00 - $635.88
$27.00
$25.00 - $612.50
$25.00 - $612.50
$25.00
Save up to 12% Save %
Muscle D Fitness Color Urethane Bumper Plates - Smooth Hub - Made for Heavy Use — weight load capacity
Muscle D Fitness Color Urethane Bumper Plates - Smooth Hub - Made for Heavy Use — front view
$100.00 - $275.00
$100.00 - $275.00
$100.00 - $275.00
$100.00

Color Urethane Bumper Plates - Smooth Hub - Made for Heavy Use

Muscle D Fitness

Color Urethane Bumper Plates by Muscle D Fitness – Premium Strength Training Gear Upgrade your fitness routine with Color Urethane Bumper Plates by...

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$100.00 - $275.00
$100.00 - $275.00
$100.00 - $275.00
$100.00
Muscle D Fitness Pro Urethane Coated Olympic Plates - Per Pair / Set Olympic Weight Pair — weight load capacity
Muscle D Fitness Pro Urethane Coated Olympic Plates - Per Pair / Set Olympic Weight Pair — front view
Save up to 18% Save %
$56.00 - $978.55
$56.00 - $978.55
$56.00
$35.00 - $865.88
$35.00 - $865.88
$35.00

Muscle D Fitness Pro Urethane Coated Olympic Plates - Per Pair / Set Olympic Weight Pair

Muscle D Fitness

Elevate your weightlifting experience with the Pro Urethane Coated Olympic Plates by Muscle D Fitness – a pinnacle of innovation designed to redefi...

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$56.00 - $978.55
$56.00 - $978.55
$56.00
$35.00 - $865.88
$35.00 - $865.88
$35.00
Save up to 18% Save %
Muscle D Fitness Pro Bumper Training Plates with Center Steel Hub Virgin Rubber — weight load capacity
Muscle D Fitness Pro Bumper Training Plates with Center Steel Hub Virgin Rubber — front view
Save up to 17% Save %
$125.00 - $565.99
$125.00 - $565.99
$125.00
$109.98 - $472.50
$109.98 - $472.50
$109.98

Muscle D Fitness Pro Bumper Training Plates with Center Steel Hub Virgin Rubber

Muscle D Fitness

Get ready to bring the noise to your lifts with the Muscle D Fitness Pro Bumper Plates – because lifting should be as loud and proud as your playli...

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$125.00 - $565.99
$125.00 - $565.99
$125.00
$109.98 - $472.50
$109.98 - $472.50
$109.98
Save up to 17% Save %
Muscle D Fitness Olympic Plate Tree - Muscle D Fitness - Weight Storage Pegs - 6 Storage Pegs — front view
Save 22% Save %
$450.00
$450.00 - $450.00
$450.00
$350.00
$350.00 - $350.00
$350.00

Muscle D Fitness Olympic Plate Tree - Muscle D Fitness - Weight Storage Pegs - 6 Storage Pegs

Muscle D Fitness

Attention all gym enthusiasts and weightlifting warriors! The Muscle D Fitness Olympic Plate Tree – the commander of order in the chaos of your iro...

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$450.00
$450.00 - $450.00
$450.00
$350.00
$350.00 - $350.00
$350.00
Save 22% Save %
Muscle D Fitness 3-Tier Hex Dumbbell Rack - 15 Pair Storage — weight load capacity
Muscle D Fitness 3-Tier Hex Dumbbell Rack - 15 Pair Storage — front view
Save 23% Save %
$775.00
$775.00 - $775.00
$775.00
$599.00
$599.00 - $599.00
$599.00

Muscle D Fitness 3-Tier Hex Dumbbell Rack - 15 Pair Storage

Muscle D Fitness

The Three Tier Hex Dumbbell Rack by Muscle D Fitness: Elevate Your Home Gym Organization! Tired of stumbling over scattered dumbbells and clutter i...

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$775.00
$775.00 - $775.00
$775.00
$599.00
$599.00 - $599.00
$599.00
Save 23% Save %
Muscle D Fitness 3-Tier Kettlebell Rack Commercial Storage — front view
Save 23% Save %
$775.00
$775.00 - $775.00
$775.00
$599.00
$599.00 - $599.00
$599.00

Muscle D Fitness 3-Tier Kettlebell Rack Commercial Storage

Muscle D Fitness

  3-Tier Kettlebell Storage Rack: Elevate Your Gym Organization! Are you tired of tripping over kettlebells and struggling to find the right weight...

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$775.00
$775.00 - $775.00
$775.00
$599.00
$599.00 - $599.00
$599.00
Save 23% Save %
commercial fixed barbell rack Muscle D Fitness view 2
Muscle D Elite Fixed Barbell Rack – Commercial 10-Bar Storage Rack
Save 14% Save %
$928.00
$928.00 - $928.00
$928.00
$795.00
$795.00 - $795.00
$795.00

Muscle D Elite Fixed Barbell Rack – Commercial 10-Bar Storage Rack

Muscle D Fitness

The Muscle D Elite Fixed Barbell Rack is a commercial fixed barbell rack from Muscle D Fitness, built for commercial gyms and premium home gyms wit...

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$928.00
$928.00 - $928.00
$928.00
$795.00
$795.00 - $795.00
$795.00
Save 14% Save %
Muscle D Fitness Home Upright Bike - Muscle D Fitness - Exercise Bike - Adjustable Seat and Handle Bars — side profile
Muscle D Fitness Home Upright Bike - Muscle D Fitness - Exercise Bike - Adjustable Seat and Handle Bars — front view
Save 42% Save %
$1,195.00
$1,195.00 - $1,195.00
$1,195.00
$695.00
$695.00 - $695.00
$695.00

Home Upright Bike - Muscle D Fitness - Exercise Bike - Adjustable Seat and Handle Bars

Muscle D Fitness

Welcome to the ultimate fitness upgrade for your home gym – the Muscle D Fitness Home Upright Bike. Engineered to elevate your workout routine, thi...

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$1,195.00
$1,195.00 - $1,195.00
$1,195.00
$695.00
$695.00 - $695.00
$695.00
Save 42% Save %