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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

Best selling products

The most-purchased products at Peak Flow Fitness — sorted automatically by sales velocity across our full catalog. If you want to see what other home gym builders, recovery enthusiasts, athletes, and powersports riders are actually buying right now, this is the shortlist.

Best-sellers cut across every category we carry: cardio (folding treadmills, indoor cycles, rowers), strength (adjustable dumbbells, power racks, functional trainers), recovery (massage guns, infrared saunas, red light therapy, cold plunges), and combat sports — from brands like Body Solid, Golden Designs, Sports Attack, Kaabo, Therasage, Sun Home Saunas, and Muscle D Fitness.

Why best-sellers matter when you're shopping:

  • Proof of demand — these SKUs ship in volume, which means parts and support are well-established
  • Faster ship times — top movers stay stocked in domestic warehouses
  • Battle-tested — high-volume products generate the review base you can actually trust

Free shipping on orders over $999, exclusions apply.

Need a recommendation matched to your specific use case? Email support@peakflowfitness.com.

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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

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
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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
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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
$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 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
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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
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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
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$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
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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
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$250.00
$250.00 - $250.00
$250.00
$150.00
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$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
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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
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$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
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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
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$475.00
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$475.00
$345.00
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$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
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$345.00
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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
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$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
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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
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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
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$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
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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
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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 %
Muscle D Fitness Sweet Olympic Plate Tree — weight load capacity
Muscle D Fitness Sweet Olympic Plate Tree — front view
Save 28% Save %
$550.00
$550.00 - $550.00
$550.00
$395.00
$395.00 - $395.00
$395.00

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
$395.00
$395.00 - $395.00
$395.00
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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 %
$24.15 - $752.99
$24.15 - $752.99
$24.15
$13.76 - $673.76
$13.76 - $673.76
$13.76

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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$24.15 - $752.99
$24.15 - $752.99
$24.15
$13.76 - $673.76
$13.76 - $673.76
$13.76
Save up to 15% Save %
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 55% Save %
$35.00 - $978.55
$35.00 - $978.55
$35.00
$12.99 - $865.88
$12.99 - $865.88
$12.99

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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$35.00 - $978.55
$35.00 - $978.55
$35.00
$12.99 - $865.88
$12.99 - $865.88
$12.99
Save up to 55% 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 60% Save %
$15.00 - $635.88
$15.00 - $635.88
$15.00
$5.65 - $551.30
$5.65 - $551.30
$5.65

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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$15.00 - $635.88
$15.00 - $635.88
$15.00
$5.65 - $551.30
$5.65 - $551.30
$5.65
Save up to 60% 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 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 60% Save %
$125.00 - $565.99
$125.00 - $565.99
$125.00
$54.99 - $472.50
$54.99 - $472.50
$54.99

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
$54.99 - $472.50
$54.99 - $472.50
$54.99
Save up to 60% 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 %