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Marcy Adjustable Dumbbell Set 40 lbs vs FitRx SmartBell Adjustable Dumbbell 2-Pack

The Marcy ADS-42 is the better pick for anyone who lifts heavier than 12.5 lbs per hand. It is a traditional plate-loaded set with chrome bars, knurled grips and spin-lock collars, and owners rate it well for durability. The FitRx SmartBell 2-Pack is lighter and tops out at 12.5 lbs per dumbbell, but its quick-select dial makes it faster to change weight and the pair suits beginners, toning and physical therapy. Buy the Marcy for real strength work; buy the FitRx for speed and small increments.

  • Choose the Marcy ADS-42 if you want a durable plate-loaded set that goes up to 40 lbs per dumbbell for presses, rows and curls.
  • Choose the FitRx SmartBell 2-Pack if you want two dumbbells with fast dial changes for light toning, rehab or a beginner home gym.

Prices

  • Marcy Adjustable Dumbbell Set 40 lbs: $39.99 at Walmart (checked today)
  • FitRx SmartBell Adjustable Dumbbell 2-Pack: $59.00 at Walmart (checked today)
  • Difference: the Marcy Adjustable Dumbbell Set 40 lbs is $19.01 cheaper than the FitRx SmartBell Adjustable Dumbbell 2-Pack today
Marcy
Marcy Adjustable Dumbbell Set 40lbs

Marcy Adjustable Dumbbell Set 40 lbs

Marcy Adjustable Dumbbell Set 40lbs

4.7(74 ratings)
$39.99at WalmartChecked 48 min ago
See all prices and details
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Pros
  • Goes up to 40 lbs per dumbbell, enough for pressing and rowing
  • Chrome-plated iron bars and plates resist rust and corrosion
  • Knurled grips stay secure with sweaty hands
  • Spin-lock collars hold plates firmly during lifts
  • Carrying case keeps the set together
Cons
  • Changing weight means unscrewing collars and swapping plates
  • Only one pair of plates, so both dumbbells share the load
  • 3 lb plate steps are coarse for small progressions
  • Loose plates and bars take up floor space
FitRx
FitRx SmartBell 2-Pack, Two 12.5lbs. Quick-Select 5 in 1 Adjustable Dumbbell for Home Gym, 2.5-12.5lbs.

FitRx SmartBell Adjustable Dumbbell 2-Pack

FitRx SmartBell 2-Pack, Two 12.5lbs. Quick-Select 5 in 1 Adjustable Dumbbell for Home Gym, 2.5-12.5lbs.

5(35 ratings)
$59.00at WalmartChecked 48 min ago
See all prices and details
Visit Walmart
Pros
  • Quick-select dial changes weight in seconds
  • Two dumbbells included, so no sharing plates
  • 2.5 lb steps suit light toning and rehab work
  • Compact design with a storage rack
  • Anti-slip handle and safety lock
Cons
  • 12.5 lbs per dumbbell is too light for most pressing and rowing
  • Plastic housing is less durable than iron and chrome
  • Fewer weight configurations than a plate set
  • Not suited to heavy strength training

What separates them

Marcy Adjustable Dumbbell Set 40 lbsFitRx SmartBell Adjustable Dumbbell 2-Pack
Maximum weight per dumbbell40 lbs12.5 lbs
Weight change methodLoad plates and tighten spin-lock collarsTwist the handle to select weight
Number of dumbbells includedTwo bars, one set of platesTwo complete dumbbells
Smallest increment3 lbs plates, so jumps of 3 lbs or more2.5 lbs steps
Build materialIron plates with chrome-plated barsBlack PE plastic housing with plates
GripKnurled steel handlesAnti-slip coated handle
StorageCarrying caseStorage rack
Footprint and portabilityBars and loose plates to storeCompact, self-contained units

Price history

$109.00$39.99
Nov 10Nov 13
  • Marcy Adjustable Dumbbell Set 40 lbs: lowest $39.99 on Nov 12 at Walmart; $39.99 on Nov 13.
  • FitRx SmartBell Adjustable Dumbbell 2-Pack: lowest $109.00 on Nov 12 at Walmart; $109.00 on Nov 13.

Prices at every store

Marcy Adjustable Dumbbell Set 40 lbs

  • WalmartNew

    In stock

    $39.99Free shippingChecked 48 min ago
    Visit Walmart
  • WalmartNew

    In stock

    $39.99Free shippingChecked 48 min ago
    Visit Walmart
  • Sam's ClubNew

    In stock

    $99.98Free shippingChecked 48 min ago
    Visit Sam's Club
  • TargetNew

    In stock

    $99.99Free shippingChecked 48 min ago
    Visit Target

Store links may earn us a commission. Some prices via Klarna.

All 4 stores and price history →

FitRx SmartBell Adjustable Dumbbell 2-Pack

  • WalmartNew

    In stock

    $59.00Checked 48 min ago
    Visit Walmart
  • WalmartNew

    In stock

    $109.00Free shippingChecked 48 min ago
    Visit Walmart

Store links may earn us a commission. Some prices via Klarna.

Prices and history →

Specs compared

SpecMarcy Adjustable Dumbbell Set 40 lbsFitRx SmartBell Adjustable Dumbbell 2-Pack
TypeDumbbell SetWeight Plate, Dumbbell
ColorChromeBlack
MaterialIronDurable black PE plastic
sizeBlack, ChromeCompact design
Weight Per Dumbbell40 lbs—
Individual Weight—5-52.5 lbs (Adjustable Dumbbell)
Total Weight—45 lb (Adjustable Dumbbell Set)
Weight Increments—15 different weight configurations
Included Accessories—Storage rack, 10 plates
Build Type—Weight Plates, Dumbbells
End Type—Spin-lock collars
Width—No information
Show all 17 specsShow fewer specs
SpecMarcy Adjustable Dumbbell Set 40 lbsFitRx SmartBell Adjustable Dumbbell 2-Pack
Safety Highlights—Safety lock to keep plates secure during your w…
Grip Type—Anti-slip handle
Ergonomics—Anti-slip handle
Impact Resistance—Designed to prevent damage to floors and surfac…
Typical Users—Home gym users

What reviewers say

Marcy Adjustable Dumbbell Set 40 lbs

  • 4.7 / 574 ratings

Owners treat this as a solid budget starter set: the plates and handles feel sturdy and the spin locks hold. The common complaint is slow weight changes and a handle that gets crowded once fully loaded.

What people mention
  • Build qualityPraisedOwners say the iron plates and steel handles feel solid and survive regular home use.
  • Weight changeCriticisedSwapping plates and tightening collars takes time, which interrupts supersets and circuits.
  • CollarsMixedThe spin locks hold well when tightened, but some owners find they loosen and need rechecking.
  • Handle feelCriticisedFully loaded, the long handle crowds the grip on curls and close presses.

FitRx SmartBell Adjustable Dumbbell 2-Pack

  • 5 / 535 ratings

Ratings are very high from a small pool of buyers, who mostly praise the quick weight changes and compact size for light home workouts. The main caveat is the low maximum weight, which limits how long the set stays useful.

What people mention
  • Weight rangeMixedBuyers like the 2.5 to 12.5 lb span for light work but note it runs out fast as strength grows.
  • Adjustment speedPraisedOwners say the twist-select handle makes switching weights quick between sets.
  • BuildMixedThe plastic body is described as durable enough but less solid than metal adjustable dumbbells.
  • StoragePraised

Questions and answers

Which is better for building real strength at home?
The Marcy. Its 40 lb per dumbbell ceiling covers presses, rows and curls that the FitRx cannot load heavy enough for. The FitRx tops out at 12.5 lbs per hand.
Which is faster to adjust between sets?
The FitRx. You twist the handle to the weight you want. The Marcy needs the spin-lock collar unscrewed and plates swapped, which takes longer.
Which lasts longer?
The Marcy's iron plates and chrome bars resist wear and rust better than the FitRx's plastic housing. The FitRx dial mechanism is convenient but plastic-bodied.
Is the FitRx worth stepping up to from fixed dumbbells?
Yes if you want two dumbbells and fast changes for light work. It replaces a rack of small fixed dumbbells in a small space.
Can I use the Marcy set for both dumbbells at once?
Yes, but the plates are shared. You split the plates between the two bars, so each dumbbell carries less than 40 lbs when both are loaded.
Which suits a beginner or someone in physical therapy?
The FitRx. Its 2.5 lb steps and light top weight make gradual progression easy. The Marcy starts heavier and jumps in 3 lb plate steps.

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Buying guides that pick them

  • Best dumbbells
  • Best dumbbells for home workouts
  • Best 12.5 pound dumbbell sets
The compact size and included rack make it easy to keep in a small home gym.