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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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Finnish Sauna Builders Harvia KIP45W Stainless Steel 4.5KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia KIP45W Stainless Steel 4.5KW Sauna Heater - Finnish Sauna Builders — exterior view
$926.00 - $926.00
$926.00
$926.00 - $926.00
$926.00

Harvia KIP45W Stainless Steel 4.5KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Description Experience authentic Finnish sauna tradition with the Harvia KIP45W Electric Sauna Heater, a powerful, wall-mounted electric heater des...

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$926.00 - $926.00
$926.00
$926.00 - $926.00
$926.00
Finnish Sauna Builders Harvia Xenio CX30C-U3-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Bu... — interior bench layout
Finnish Sauna Builders Harvia Xenio CX30C-U3-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders — exterior view
$1,149.00 - $1,149.00
$1,149.00
$1,149.00 - $1,149.00
$1,149.00

Harvia Xenio CX30C-U3-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Xenio CX30C-U3-XW Sauna Control Unit with Wi-Fi Connectivity The Harvia Xenio CX30C-U3-XW is an advanced sauna control unit that offers a mo...

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$1,149.00 - $1,149.00
$1,149.00
$1,149.00 - $1,149.00
$1,149.00
Finnish Sauna Builders Harvia KIP80W Stainless Steel 8KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia KIP80W Stainless Steel 8KW Sauna Heater - Finnish Sauna Builders — exterior view
$1,024.00 - $1,137.00
$1,024.00 - $1,137.00
$1,024.00 - $1,137.00
$1,024.00

Harvia KIP80W Stainless Steel 8KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Description Enhance your sauna experience with the Harvia KIP80W Electric Sauna Heater, boasting a premium stainless steel exterior for unmatched d...

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$1,024.00 - $1,137.00
$1,024.00 - $1,137.00
$1,024.00 - $1,137.00
$1,024.00
Finnish Sauna Builders Harvia Xenio CX30C-U1-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Bu... — interior bench layout
Finnish Sauna Builders Harvia Xenio CX30C-U1-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders — exterior view
$1,149.00 - $1,149.00
$1,149.00
$1,149.00 - $1,149.00
$1,149.00

Harvia Xenio CX30C-U1-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Xenio CX30C-U1-XW Sauna Control Unit with Wi-Fi Connectivity The Harvia Xenio CX30C-U1-XW is a cutting-edge sauna control unit designed to p...

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$1,149.00 - $1,149.00
$1,149.00
$1,149.00 - $1,149.00
$1,149.00
Finnish Sauna Builders Harvia Sauna Heater Cleanser 500ml - Finnish Sauna Builders — exterior view
$49.50 - $49.50
$49.50
$49.50 - $49.50
$49.50

Harvia Sauna Heater Cleanser 500ml - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Sauna Heater Cleanser 500ml Sauna heater cleanser, suitable for heaters with a stainless steel surface. Instructions for use: For cleaning a...

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$49.50 - $49.50
$49.50
$49.50 - $49.50
$49.50
Finnish Sauna Builders Harvia Club KG10G-U3 10KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Club KG10G-U3 10KW Sauna Heater - Finnish Sauna Builders — exterior view
$1,964.00 - $1,964.00
$1,964.00
$1,964.00 - $1,964.00
$1,964.00

Harvia Club KG10G-U3 10KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Club KG10G-U3 10KW Sauna Heater The Harvia K10G-U3-NC Club Series 10kW Electric Sauna Heater is a professional-grade commercial sauna heater...

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$1,964.00 - $1,964.00
$1,964.00
$1,964.00 - $1,964.00
$1,964.00
Finnish Sauna Builders Harvia Cilindro Safety Railing For 6 & 8kw Sauna Heaters - Finnish Sauna Bui... — interior bench layout
Finnish Sauna Builders Harvia Cilindro Safety Railing For 6 & 8kw Sauna Heaters - Finnish Sauna Builders — exterior view
$274.00 - $274.00
$274.00
$274.00 - $274.00
$274.00

Harvia Cilindro Safety Railing For 6 & 8kw Sauna Heaters - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro Safety Railing For 6 & 8kw Sauna Heaters The Harvia HPC3 safety railing is a good way to increase bathing safety around the Har...

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$274.00 - $274.00
$274.00
$274.00 - $274.00
$274.00
Harvia Virta Pro HL200 208V 3-phase electric sauna heater side angle
Harvia Virta Pro HL200 20kW commercial sauna heater front view
$4,799.00 - $4,799.00
$4,799.00
$4,799.00 - $4,799.00
$4,799.00

Harvia Virta Pro HL200 20kW Commercial Sauna Heater

Finnish Sauna Builders

The Harvia Virta Pro HL200 is a 20 kW Finnish-built electric sauna heater designed for commercial spa, hotel, fitness club, and luxury home install...

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$4,799.00 - $4,799.00
$4,799.00
$4,799.00 - $4,799.00
$4,799.00
Finnish Sauna Builders Harvia Spirit SP90E 9KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Spirit SP90E 9KW Sauna Heater - Finnish Sauna Builders — exterior view
$1,930.00 - $1,930.00
$1,930.00
$1,930.00 - $1,930.00
$1,930.00

Harvia Spirit SP90E 9KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Spirit SP90E 9KW Sauna Heater Experience elevated relaxation with the Harvia Spirit electric sauna heater, a powerful fusion of Finnish craf...

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$1,930.00 - $1,930.00
$1,930.00
$1,930.00 - $1,930.00
$1,930.00
Finnish Sauna Builders Harvia Cilindro PC80 8KW Sauna Heater with built in controls - Finnish Sauna... — interior bench layout
Finnish Sauna Builders Harvia Cilindro PC80 8KW Sauna Heater with built in controls - Finnish Sauna Builders — exterior view
$1,474.00 - $1,474.00
$1,474.00
$1,474.00 - $1,474.00
$1,474.00

Harvia Cilindro PC80 8KW Sauna Heater with built in controls - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro PC80 8KW Sauna Heater with built in controls The Harvia Cilindro PC80 is an 8kW floor-standing electric sauna heater that combines ...

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$1,474.00 - $1,474.00
$1,474.00
$1,474.00 - $1,474.00
$1,474.00
Finnish Sauna Builders Harvia Xenio CX45-U1-U3-XW Digital Sauna Control with Wi-Fi - Finnish Sauna... — interior bench layout
Finnish Sauna Builders Harvia Xenio CX45-U1-U3-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders — exterior view
$1,254.00 - $1,254.00
$1,254.00
$1,254.00 - $1,254.00
$1,254.00

Harvia Xenio CX45-U1-U3-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Xenio CX45-U1-U3-XW Digital Sauna Control with Wi-Fi Connectivity The Harvia Xenio CX45-U1-U3-XW is a state-of-the-art sauna control unit wi...

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$1,254.00 - $1,254.00
$1,254.00
$1,254.00 - $1,254.00
$1,254.00
Harvia Virta Combi HL110SA 240V 1PH steamer-equipped electric sauna heater side angle
Harvia Virta Combi HL110SA 10.5kW sauna heater front view with stones
$3,660.00 - $3,721.00
$3,660.00 - $3,721.00
$3,660.00 - $3,721.00
$3,660.00

Harvia Virta Combi HL110SA 10.5kW Sauna Heater with Steamer

Finnish Sauna Builders

The Harvia Virta Combi HL110SA is a 10.5 kW Finnish-built electric sauna heater designed for homeowners and commercial sauna operators who want pre...

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$3,660.00 - $3,721.00
$3,660.00 - $3,721.00
$3,660.00 - $3,721.00
$3,660.00
Harvia Virta Combi HL90SA water tank and löyly stones detail
Harvia Virta Combi HL90SA 9kW sauna heater with built-in steamer
$3,603.00 - $3,603.00
$3,603.00
$3,603.00 - $3,603.00
$3,603.00

Harvia Virta Combi HL90SA 9kW Sauna Heater with Steamer

Finnish Sauna Builders

The Harvia Virta Combi HL90SA is a 9 kW Finnish-built electric sauna heater designed for homeowners with 3-5 person saunas who want both dry heat a...

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$3,603.00 - $3,603.00
$3,603.00
$3,603.00 - $3,603.00
$3,603.00
Finnish Sauna Builders Harvia Cilindro Led Embedding Flange For 6 & 8kw Sauna Heaters - Finnish Sau... — interior bench layout
Finnish Sauna Builders Harvia Cilindro Led Embedding Flange For 6 & 8kw Sauna Heaters - Finnish Sauna Build... — exterior view
$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00

Harvia Cilindro Led Embedding Flange For 6 & 8kw Sauna Heaters - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro Led Embedding Flange For 6 & 8kw Sauna Heaters The Harvia embedding flange with lights is perfect for embedding a heater into t...

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$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00
EUNORAU E-BIKE US FAT-AWD 3.0 — handlebar and display
EUNORAU E-BIKE US FAT-AWD 3.0 — side profile
$1,699.00 - $1,799.00
$1,699.00 - $1,799.00
$1,699.00 - $1,799.00
$1,699.00

FAT-AWD 3.0

EUNORAU E-BIKE US
In stock

Eunorau FAT-AWD 3.0 26" Fat Tire Model E-Bike Specifications Motor: Front 48V/500W+Rear 500W Hub motor, MAX 110 N.m Battery: 48V 15Ah (Op...

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$1,699.00 - $1,799.00
$1,699.00 - $1,799.00
$1,699.00 - $1,799.00
$1,699.00
EUNORAU E-BIKE US SPECTER-ST 2.0 — handlebar and display
EUNORAU E-BIKE US SPECTER-ST 2.0 — side profile
Save 21% Save %
$3,799.00
$3,799.00 - $3,799.00
$3,799.00
$2,999.00
$2,999.00 - $2,999.00
$2,999.00

SPECTER-ST 2.0

EUNORAU E-BIKE US
In stock

The 27.5"*3.0" MTB Tire Model SPECTER ST 1000W STEP THRU E-Bike Specifications MOTOR: 48V1000W BAFANG G510/M620 Mid motor with 160 N.m Torque FR...

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$3,799.00
$3,799.00 - $3,799.00
$3,799.00
$2,999.00
$2,999.00 - $2,999.00
$2,999.00
Save 21% Save %
EUNORAU E-BIKE US META20 1.0 — handlebar and display
EUNORAU E-BIKE US META20 1.0 — side profile
$0.00 - $0.00
$0.00
$1,699.00
$1,699.00 - $1,699.00
$1,699.00

META20 1.0

EUNORAU E-BIKE US
In stock

The 20" City Model META20 1.0 E-Bike Specifications Battery: 48V 15Ah (Optional Second Battery 15Ah) Range: 100 Miles (48V 15Ah Battery+ Secon...

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$0.00 - $0.00
$0.00
$1,699.00
$1,699.00 - $1,699.00
$1,699.00
EUNORAU E-BIKE US EKIDS20 1.0 — handlebar and display
EUNORAU E-BIKE US EKIDS20 1.0 — side profile
$899.00 - $899.00
$899.00
$899.00
$899.00 - $899.00
$899.00

EKIDS20 1.0

EUNORAU E-BIKE US
In stock

The 20" EKIDS BIKE Specifications Battery: 24V 10Ah with EUNORAU-designed battery casing Range: 20 miles Motor: 24V 250W rear motor Total Payload ...

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$899.00 - $899.00
$899.00
$899.00
$899.00 - $899.00
$899.00
EUNORAU E-BIKE US FLASH LITE ST 1.0 — handlebar and display
EUNORAU E-BIKE US FLASH LITE ST 1.0 — side profile
$1,899.00 - $1,899.00
$1,899.00
$1,899.00 - $1,899.00
$1,899.00

FLASH LITE ST 1.0

EUNORAU E-BIKE US
In stock

52V750W Rear Drive Motor Fat Tire eMoped Electric Bicycles for city commuters Specification Motor:  52V750W Rear Motor with 92N.m Torque Batt...

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$1,899.00 - $1,899.00
$1,899.00
$1,899.00 - $1,899.00
$1,899.00
EUNORAU E-BIKE US META24 1.0 — handlebar and display
EUNORAU E-BIKE US META24 1.0 — side profile
$1,699.00 - $1,699.00
$1,699.00
$1,699.00 - $1,699.00
$1,699.00

META24 1.0

EUNORAU E-BIKE US
In stock

The City Model META24 1.0 E-Bike Specifications Battery: 48V 15Ah (Optional Second Battery 15Ah) Range: 100 Miles (48V 15Ah Battery+ Seco...

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$1,699.00 - $1,699.00
$1,699.00
$1,699.00 - $1,699.00
$1,699.00
EUNORAU E-BIKE US EKIDS16 1.0 — handlebar and display
EUNORAU E-BIKE US EKIDS16 1.0 — side profile
$799.00 - $799.00
$799.00
$799.00 - $799.00
$799.00

EKIDS16 1.0

EUNORAU E-BIKE US
Low stock

The 16" EKIDS Balance Bike Specifications Motor: 24V 180W rear motor Battery: 24V 10AH battery with EUNORAU-designed battery casing Range: 25 miles...

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$799.00 - $799.00
$799.00
$799.00 - $799.00
$799.00
EUNORAU E-BIKE US EKIDS24 1.0 — handlebar and display
EUNORAU E-BIKE US EKIDS24 1.0 — side profile
$899.00 - $899.00
$899.00
$899.00
$899.00 - $899.00
$899.00

EKIDS24 1.0

EUNORAU E-BIKE US
In stock

The 24" 24V250W EKIDS BIKE Specifications Battery: 24V10Ah with EUNORAU-designed battery casing Range: 20 miles Motor: 24V 250W rear hub motor Tot...

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$899.00 - $899.00
$899.00
$899.00
$899.00 - $899.00
$899.00
EUNORAU E-BIKE US MAX-CARGO 2.0 — handlebar and display
EUNORAU E-BIKE US MAX-CARGO 2.0 — side profile
$1,699.00 - $1,699.00
$1,699.00
$1,699.00 - $1,699.00
$1,699.00

MAX-CARGO 2.0

EUNORAU E-BIKE US
In stock

The 24" City Tire Model MAX-CARGO E-Bike Specifications MOTOR: 48V/750W ENA hub motor installed in the rear wheel FRAME: Aluminum Alloy 17.7inch B...

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$1,699.00 - $1,699.00
$1,699.00
$1,699.00 - $1,699.00
$1,699.00
EUNORAU E-BIKE US E-FAT-MN — handlebar and display
EUNORAU E-BIKE US E-FAT-MN — side profile
$1,099.00 - $1,099.00
$1,099.00
$1,099.00 - $1,099.00
$1,099.00

E-FAT-MN

EUNORAU E-BIKE US
In stock

The 20" Fat Tire Model E-FAT-MN E-Bike Specifications: MOTOR: 48V/500W brushless DC hub motor HIGH TORQUE installed in the rear wheel FRAME: Alu...

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$1,099.00 - $1,099.00
$1,099.00
$1,099.00 - $1,099.00
$1,099.00