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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 28" Rotating Curl Bar - Cable Attachment - Muscle D Fitness - Premium Grips — front view Save 53% Save %
$85.00
$85.00 - $85.00
$85.00
$40.00
$40.00 - $40.00
$40.00

28" Rotating Curl Bar - Cable Attachment - Muscle D Fitness - Premium Grips

Muscle D Fitness

Experience the epitome of arm muscle sculpting with the Muscle D Fitness 28" Revolving Curl Bar, featuring a heavy-duty molded grip for unrivaled p...

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$85.00
$85.00 - $85.00
$85.00
$40.00
$40.00 - $40.00
$40.00
Save 53% Save %
Muscle D Fitness 2-Tier Round Tube Dumbbell Rack - Black — front view
$595.00 - $595.00
$595.00
$595.00 - $595.00
$595.00

2-Tier Round Tube Dumbbell Rack - Black

Muscle D Fitness

Muscle D Fitness 2-Tier Round Tube Dumbbell Rack – Black The Muscle D Fitness 2-Tier Round Tube Dumbbell Rack keeps your gym organized and your dum...

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$595.00 - $595.00
$595.00
$595.00 - $595.00
$595.00
Muscle D Fitness Excel Leverage Incline Pec Fly - Muscle D Fitness - Plate Loaded Chest - Piston Ass... — weight load capacity
Muscle D Fitness Excel Leverage Incline Pec Fly - Muscle D Fitness - Plate Loaded Chest - Piston Assisted Seat... — front view Save 40% Save %
$1,980.00
$1,980.00 - $1,980.00
$1,980.00
$1,195.00
$1,195.00 - $1,195.00
$1,195.00

Excel Leverage Incline Pec Fly - Muscle D Fitness - Plate Loaded Chest - Piston Assisted Seat Adjustment

Muscle D Fitness

Unlock Peak Pectoral Potential with the Excel Leverage Incline Pec Fly by Muscle D Fitness. Designed to optimize your pec stretch and enhance your ...

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$1,980.00
$1,980.00 - $1,980.00
$1,980.00
$1,195.00
$1,195.00 - $1,195.00
$1,195.00
Save 40% Save %
Muscle D Fitness Power Leverage V2 Linear Bearing Row — weight load capacity
muscle d fitness commercial plate loaded power leverage v2 black and maroon linear bearing row Save 14% Save %
$3,495.00
$3,495.00 - $3,495.00
$3,495.00
$2,995.00
$2,995.00 - $2,995.00
$2,995.00

Power Leverage V2 Linear Bearing Row

Muscle D Fitness

Power Leverage V2 Linear Bearing Row Experience peak performance and precision with the Power Leverage V2 Linear Bearing Row, a premium plate-loade...

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$3,495.00
$3,495.00 - $3,495.00
$3,495.00
$2,995.00
$2,995.00 - $2,995.00
$2,995.00
Save 14% Save %
Muscle D Fitness Kettlebell - Muscle D Fitness - Cast Iron - Heavy Duty (Kettlebell Only) — weight load capacity
Muscle D Fitness Kettlebell - Muscle D Fitness - Cast Iron - Heavy Duty (Kettlebell Only) — front view
Save up to 27% Save %
$75.33 - $178.99
$75.33 - $178.99
$75.33
$51.60 - $129.80
$51.60 - $129.80
$51.60

Kettlebell - Muscle D Fitness - Cast Iron - Heavy Duty (Kettlebell Only)

Muscle D Fitness

Elevate Your Workout with our Premium Kettlebell! Discover the ultimate fitness companion with our premium kettlebell. Designed for strength, versa...

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$75.33 - $178.99
$75.33 - $178.99
$75.33
$51.60 - $129.80
$51.60 - $129.80
$51.60
Save up to 27% Save %
Muscle D Fitness 3-Tier Kettlebell Rack - Muscle D Fitness - Commercial Storage — front view
Save 23% Save %
$775.00
$775.00 - $775.00
$775.00
$599.00
$599.00 - $599.00
$599.00

3-Tier Kettlebell Rack - Muscle D Fitness - 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 %
Muscle D Fitness Muscle D Cast Kettlebells - Muscle D Fitness - Quality Handle Design - Heavy Duty C... — weight load capacity
Muscle D Fitness Muscle D Cast Kettlebells - Muscle D Fitness - Quality Handle Design - Heavy Duty Coating — front view
Save up to 7% Save %
$25.00 - $458.66
$25.00 - $458.66
$25.00
$19.80 - $427.80
$19.80 - $427.80
$19.80

Muscle D Cast Kettlebells - Muscle D Fitness - Quality Handle Design - Heavy Duty Coating

Muscle D Fitness

Elevate your strength training with the Muscle D Fitness Premium Cast Kettlebells – a masterpiece of form and function designed to ignite your fitn...

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$25.00 - $458.66
$25.00 - $458.66
$25.00
$19.80 - $427.80
$19.80 - $427.80
$19.80
Save up to 7% Save %
Muscle D Fitness Pro Urethane Barbell Set(Straight or Curl) - 20 to 110 lbs (Barbell Set Only) - Mus... — weight load capacity
Muscle D Fitness Pro Urethane Barbell Set(Straight or Curl) - 20 to 110 lbs (Barbell Set Only) - Muscle D Fitn... — front view
Save 21% Save %
$3,299.99
$3,299.99 - $3,299.99
$3,299.99
$2,599.00
$2,599.00 - $2,599.00
$2,599.00

Pro Urethane Barbell Set(Straight or Curl) - 20 to 110 lbs (Barbell Set Only) - Muscle D Fitness - Premium Quality Urethane Barbell Set

Muscle D Fitness

The Muscle D Fitness Straight or Curl Urethane Barbell Set - is the ultimate solution for comprehensive strength training. With a weight range from...

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$3,299.99
$3,299.99 - $3,299.99
$3,299.99
$2,599.00
$2,599.00 - $2,599.00
$2,599.00
Save 21% Save %
Save 18% Save %
$1,650.00
$1,650.00 - $1,650.00
$1,650.00
$1,350.00
$1,350.00 - $1,350.00
$1,350.00

Pro Rubber Barbell Set(Straight or Curl) - 20 to 110 lbs (Barbell Set Only)

Muscle D Fitness

Unlock the potential of your strength training regimen with the Muscle D Fitness Pro Rubber Barbell Set, your ultimate choice for building muscle a...

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$1,650.00
$1,650.00 - $1,650.00
$1,650.00
$1,350.00
$1,350.00 - $1,350.00
$1,350.00
Save 18% Save %
Muscle D Fitness Pro Rubber Dumbbells - Muscle D Fitness - High Quality Knurled Handles — front view
Save up to 9% Save %
$1,758.99 - $6,255.99
$1,758.99 - $6,255.99
$1,758.99
$1,549.00 - $5,685.00
$1,549.00 - $5,685.00
$1,549.00

Pro Rubber Dumbbells - Muscle D Fitness - High Quality Knurled Handles

Muscle D Fitness

Pro Rubber Dumbbells by Muscle D Fitness – Premium Virgin Rubber Coated Dumbbells for Light Commercial & Home Gyms Upgrade your strength traini...

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$1,758.99 - $6,255.99
$1,758.99 - $6,255.99
$1,758.99
$1,549.00 - $5,685.00
$1,549.00 - $5,685.00
$1,549.00
Save up to 9% Save %
Muscle D Fitness Rubber Hex Dumbbell Set - Muscle D FItness - Steel Handle - Quality knurling - Weightlfting — front view
Save up to 14% Save %
$450.00 - $4,367.00
$450.00 - $4,367.00
$450.00
$375.00 - $3,747.00
$375.00 - $3,747.00
$375.00

Rubber Hex Dumbbell Set - Muscle D FItness - Steel Handle - Quality knurling - Weightlfting

Muscle D Fitness

Elevate your strength training experience with the Rubber Hex Dumbbells by Muscle D Fitness – a perfect fusion of functionality, durability, and sl...

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$450.00 - $4,367.00
$450.00 - $4,367.00
$450.00
$375.00 - $3,747.00
$375.00 - $3,747.00
$375.00
Save up to 14% Save %
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
$7,775.00 - $7,775.00
$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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$7,775.00 - $7,775.00
$7,775.00
$7,775.00 - $7,775.00
$7,775.00
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 13% Save %
$3,199.99 - $9,550.00
$3,199.99 - $9,550.00
$3,199.99
$2,399.00 - $8,285.00
$2,399.00 - $8,285.00
$2,399.00

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
$2,399.00 - $8,285.00
$2,399.00 - $8,285.00
$2,399.00
Save up to 13% 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 40% Save %
$250.00
$250.00 - $250.00
$250.00
$150.00
$150.00 - $150.00
$150.00

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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$250.00
$250.00 - $250.00
$250.00
$150.00
$150.00 - $150.00
$150.00
Save 40% 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 17% Save %
$320.98
$320.98 - $320.98
$320.98
$265.00
$265.00 - $265.00
$265.00

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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$320.98
$320.98 - $320.98
$320.98
$265.00
$265.00 - $265.00
$265.00
Save 17% 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
$595.00 - $595.00
$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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$595.00 - $595.00
$595.00
$595.00 - $595.00
$595.00
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 46% Save %
$35.00
$35.00 - $35.00
$35.00
$19.00
$19.00 - $19.00
$19.00

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
$19.00
$19.00 - $19.00
$19.00
Save 46% 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 57% Save %
$65.99 - $199.99
$65.99 - $199.99
$65.99
$25.00 - $85.00
$25.00 - $85.00
$25.00

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
$25.00 - $85.00
$25.00 - $85.00
$25.00
Save up to 57% Save %