FitAthletics

Buying guide

Best Adjustable Dumbbells: Ranges, Mechanisms, and Which Set Fits Your Training

Last reviewed 2026-10-0913 min readEditorial research · not lab testing
Adjustable dumbbells illustration

Adjustable dumbbells earn their keep by replacing an entire rack in one footprint. The best set is the one whose weight range, change speed, and durability match how you train.

Top picks

Start here if you want the shortlist. Each pick links to a deeper breakdown further down the page.

Yes4All plate-loaded adjustable dumbbells

Best Budget Option

Yes4All Adjustable Dumbbells

Yes4All Cast Iron Adjustable (multi-kit)

Best for: Budget plate-loaded set

Plate-loaded savings if you accept slower changes.

Weight range
Kits from ~40–200 lb total (select variation carefully)
Increments
Depends on plate sizes included

Compare recommendations

Side-by-side buying criteria for every product featured in this guide. Specs are transcribed from manufacturer and retailer listings.

ProductCategoryApprox. spaceBest forKey specsShop
BowFlex Results Series 552 SelectTech DumbbellsBowflex · Results Series 552 (BFW0025-OS)Adjustable dumbbells16.9 × 8.3 × 9 in per dumbbell with trayBest overall adjustable pair
  • Weight range: 5–52.5 lb each
  • Increments: 2.5 lb (lower range), then 5 lb
  • Adjustment: Dial selector
Amazon
NordicTrack 55 lb Select-A-Weight DumbbellsNordicTrack · Select-A-Weight 55 lb (NAMSDB20)Adjustable dumbbellsSee product detailsPremium selector alternative
  • Weight range: Up to 55 lb each
  • Increments: 2.5 / 5 / 10 lb steps (verify listing)
  • Adjustment: Pin / select-a-weight
Amazon
Yes4All Adjustable DumbbellsYes4All · Cast Iron Adjustable (multi-kit)Adjustable dumbbellsSee product detailsBudget plate-loaded set
  • Weight range: Kits from ~40–200 lb total (select variation carefully)
  • Increments: Depends on plate sizes included
  • Adjustment: Spin-lock collars + plates
Amazon

Scroll horizontally on smaller screens. Confirm dimensions and capacity on the merchant page before buying.

Spec comparison

Category-specific measurements pulled from current public listings.

ProductWeight rangeAdjustmentIncrementsWarrantyLink
BowFlex Results Series 552 SelectTech Dumbbells5–52.5 lb eachDial selector2.5 lb (lower range), then 5 lb2-year parts typical — verify current termsAmazon
NordicTrack 55 lb Select-A-Weight DumbbellsUp to 55 lb eachPin / select-a-weight2.5 / 5 / 10 lb steps (verify listing)Verify current iFIT / NordicTrack termsAmazon
Yes4All Adjustable DumbbellsKits from ~40–200 lb total (select variation carefully)Spin-lock collars + platesDepends on plate sizes includedSeller lists multi-year plate warranty on many kits — verifyAmazon

Scroll horizontally on smaller screens. Specs are transcribed from public listings and may change.

Adjustable dumbbell weight-range comparison
Bowflex 5525–52.5 lb

Dial, 2.5–5 lb steps

NordicTrack Select-A-Weight5–55 lb

Pin selector (verify kit)

Plate-loaded budget5–50 lb

Slower changes, lowest cost

How we selected these sets

We compared listed weight ranges, adjustment mechanisms, increment patterns, and warranty language from public listings. We did not drop-test mechanisms in a lab for V1.

Strength training with free weights
Strength training with free weights

Buying guide

Map your next year of lifts. If you already row and press near 50 lb, consider higher-capacity systems or a hybrid fixed + adjustable setup.

  • Weight range headroom
  • Increment size for accessory work
  • Dumbbell length at max load
  • Cradle footprint
  • Replacement plate / part availability

Product details

Model-specific notes, verified listing specs, and who each recommendation is — and is not — for.

BowFlex Results Series 552 SelectTech adjustable dumbbells

Best overall adjustable pair

BowFlex Results Series 552 SelectTech Dumbbells

Bowflex · Results Series 552 (BFW0025-OS)

Current Results Series dial-adjustable set covering 5–52.5 lb per dumbbell. Prefer this over legacy SelectTech 552 units subject to the CPSC recall.

Weight range
5–52.5 lb each
Increments
2.5 lb (lower range), then 5 lb
Adjustment
Dial selector
Footprint
16.9 × 8.3 × 9 in each

Ideal for

Home strength trainees who want one pair covering beginner to intermediate loads

Skip if

Lifters who regularly drop dumbbells or need weights above 52.5 lb per hand

Why we picked it

  • Replaces many fixed dumbbells in a small footprint
  • Results Series is the current retail replacement path after legacy 552 recall
  • Clear dial system and included trays

Tradeoffs

  • Longer dumbbell profile at heavier settings
  • Do not drop — selector mechanisms are not drop-rated
  • Legacy SelectTech 552 units remain under CPSC recall — confirm you are buying Results Series

Availability checked 2026-10-09. Specs from manufacturer and retailer listings — not lab-tested by FitAthletics.

Sources: Amazon listing (ASIN B0G6Z84TQM) · BowFlex Results Series 552 official page · CPSC recall notice for legacy BowFlex 552/1090

Check Availability on Amazon
Adjustable dumbbells ready for a home strength session
Adjustable dumbbells ready for a home strength session
NordicTrack Select-A-Weight adjustable dumbbells

Premium selector alternative

NordicTrack 55 lb Select-A-Weight Dumbbells

NordicTrack · Select-A-Weight 55 lb (NAMSDB20)

A pin-style adjustable system up to 55 lb per dumbbell if you prefer pins over dials.

Weight range
Up to 55 lb each
Increments
2.5 / 5 / 10 lb steps (verify listing)
Adjustment
Pin / select-a-weight

Ideal for

Buyers comparing selector styles who want a non-dial mechanism

Skip if

Shoppers seeking the most widely known dial ecosystem

Why we picked it

  • Pin selection can feel quicker for some users
  • 55 lb top end slightly above classic 552 range
  • Included storage trays on the pair kit

Tradeoffs

  • Ecosystem and warranty terms can be more complex
  • Availability fluctuates
  • Heavier kits cost more than entry dial sets

Availability checked 2026-10-09. Specs from manufacturer and retailer listings — not lab-tested by FitAthletics.

Sources: Amazon listing (ASIN B08BDD6GPC)

Check Availability on Amazon
Yes4All plate-loaded adjustable dumbbells

Budget plate-loaded set

Yes4All Adjustable Dumbbells

Yes4All · Cast Iron Adjustable (multi-kit)

Screw-lock plate dumbbells for buyers who want low cost and do not mind longer changeovers.

Weight range
Kits from ~40–200 lb total (select variation carefully)
Increments
Depends on plate sizes included
Adjustment
Spin-lock collars + plates

Ideal for

Budget-focused beginners with patience for plate changes

Skip if

Anyone who needs fast weight changes between exercises

Why we picked it

  • Usually the lowest cost per pound
  • Plates can sometimes be reused for other tools
  • Simple mechanical design

Tradeoffs

  • Slow to change weights between sets
  • Collars must be secured carefully
  • Less convenient for circuit-style training

Availability checked 2026-10-09. Specs from manufacturer and retailer listings — not lab-tested by FitAthletics.

Sources: Amazon listing (ASIN B009GC76PA)

Check Availability on Amazon

Frequently asked questions

Can I drop adjustable dumbbells?

Generally no. Most selector dumbbells are damaged by dropping. Use controlled lockouts and floor protection.

Sources and updates

Last reviewed 2026-10-09. Specs and availability change — verify details on the merchant page before buying. Recommendations below are based on public manufacturer and retailer documentation, category research, and constraint fit — not FitAthletics lab testing.

  • Bowflex, NordicTrack, and Yes4All public product information

Parent category: Strength