Free Weights & Dumbbells
Adjustable sets usually cost less per kg than buying fixed pairs individually
Pros
- Adjustable sets typically beat fixed pairs on genuine cost-per-kg once you total a full range
- A single pair of adjustables replaces a rack’s worth of storage space
Cons
- Adjustment mechanisms add a failure point that solid fixed weights simply don’t have
- Changing weight mid-set is slower on adjustables than just grabbing a different fixed pair
About Free Weights & Dumbbells
Fixed dumbbells are simpler and more durable long-term but require buying, storing and racking a full set of pairs to cover a useful weight range — a typical 2kg-to-30kg fixed set in 2kg increments is bulky and, bought new, expensive per kilogram once you add up every pair. Adjustable dumbbells (dial or plate-loaded) replace that whole rack with one or two units covering roughly 2.5-24kg or more each, and on a genuine cost-per-kg basis they’re usually cheaper than buying an equivalent spread of fixed pairs — the trade-off is a slower adjustment between sets (a few seconds for dial-type, longer for plate-loaded) and a mechanism that, unlike solid fixed weights, can wear out or jam over years of heavy use.
Examples in this category
A couple of real, currently-sold models to show how the trade-offs above play out in practice. Shown for illustration only — not a retailer partnership, sponsorship or endorsement, and not the full market.
Bowflex SelectTech 552
One adjustable-dial dumbbell pair covering 5-52.5 lb per hand in 2.5 lb increments — Bowflex’s own spec sheet says it replaces 15 sets of fixed dumbbells.
View product →Rogue Rubber Hex Dumbbells
Fixed rubber-hex pairs sold individually from 2.5 lb up to 125 lb, with a published weight tolerance of ±3% per Rogue’s own listing.
View product →How this works
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Frequently asked questions
Are adjustable dumbbells actually cheaper long-term?
On cost-per-kg, usually yes — a 24kg-per-side adjustable pair commonly costs less than buying that same top-end weight plus every increment below it as separate fixed pairs — but factor in that adjustable mechanisms are a wear item, whereas a solid fixed dumbbell has essentially nothing to break.
Are you a fitness equipment retailer yourselves?
No — Compare Fitness Equipment is an independent comparison and information service. We don’t sell equipment directly; we help you compare categories and connect with partner retailers.
Is all the pricing and spec guidance on this site guaranteed?
No — figures mentioned (CHP ranges, flywheel weights, subscription costs, ceiling clearances) are typical ranges from trade sources and manufacturer specs, not fixed quotes for any specific product. Always check the exact spec sheet for the model you’re considering.
What happens after I request a quote or recommendation?
A partner retailer reviews your details and gets in touch with options matching what you’re after — there’s no obligation to buy anything.
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Leave your details and a partner retailer will be in touch with options for free weights & dumbbells.
Other equipment categories
Choose weights for the way you train.
Compare adjustable, fixed and plate-loaded dumbbells by training goal, available space, change speed and maximum load.
See 8 recommendations for your country →What do you need the weights to do?
Prioritise high maximum load, secure locking and compact length for heavy presses and rows.
Fine increments and quick changes support progressive overload, drop sets and supersets.
Fast selectors or fixed sets beat slow plate changes when transitions must stay short.
A matched adjustable pair can replace a full rack. Always check whether pricing is per pair or single.
Choose manageable increments for rows, presses, squats and lunges.
Lighter fixed or neoprene sets provide safer small jumps for controlled movement.
8 strong options for your region
Premium, mainstream and value choices selected for different training scenarios. Prices and stock change; confirm whether each listing is a single dumbbell or a pair.
Nike Strength Adjustable Dumbbell
Premium cast-iron selector dumbbell with a 4–26kg range.
Check at Fitshop →
Centr Smart Stack 50
Fast-changing matched pair for compact muscle-building programmes.
Check at Fitshop →
ProForm 20kg Adjustable Dumbbells
Matched pair for presses, rows, squats and lunges.
Check at Fitshop →
BowFlex SelectTech 1090i
Heavy dial-adjustable option reaching 41kg per dumbbell.
Check at Fitshop →
BodyMax 34kg Selectabell
Strong mid-range option for progressive overload in small spaces.
Check at Fitshop →
BowFlex SelectTech 52
Compact dial system for supersets and moderate-load muscle work.
Check at Fitshop →
BodyMax 25kg Selectabell
Space-saving selector dumbbell for controlled full-body strength.
Check at Fitshop →
BodyMax Hammertone Dumbbell Set
Budget plate-loaded route when cost per kilogram matters most.
Check at Fitshop →
PowerBlock Commercial Pro 100
Commercial-grade selector set for repeated heavy use.
Check at PowerBlock →
PowerBlock Pro 100 Full Kit
Complete 100lb system for serious strength and hypertrophy.
Check at PowerBlock →
REP x PÉPIN FAST Series
Compact all-metal option available in heavy pairs.
Check at REP Fitness →
BowFlex SelectTech 1090 Pair
Dial-adjustable pair for strength work up to 90lb per hand.
Check at BowFlex →
Ironmaster Quick-Lock 75lb Set
Fixed-dumbbell feel with all-steel durability and fine increments.
Check at Ironmaster →
PowerBlock Pro 100 EXP
Expandable route that grows with strength requirements.
Check at PowerBlock →
BowFlex SelectTech 552 Pair
Selector pair for beginners and moderate-load hypertrophy.
Check at BowFlex →
REP QuickDraw Adjustable Dumbbells
Rugged adjustable pair for fast changes and everyday strength.
Check at REP Fitness →
Gym Hex Dumbbells Pack — 9 Pairs
Complete fixed set for instant changes and serious progressive overload.
Check at McSport →
Home Gym Hex Pack 5–25kg
Full fixed-weight progression for dedicated home-gym space.
Check at McSport →
NordicTrack Adjustable Dumbbells 25kg Pair
Compact selector pair for rapid changes and muscle building.
Check at McSport →
Hit Fitness Hex Core Pack
Fixed bundle for foundational presses, rows and lunges.
Check at McSport →
Hit Fitness Hex Bundle 5kg, 10kg & 15kg
Simple progression bundle for regular full-body sessions.
Check at McSport →
Hit Fitness Hammertone Kit 50kg
Heavy plate-loaded value for building muscle.
Check at McSport →
Hit Fitness Dumbbell and Barbell Set 30kg
Versatile budget kit that converts between dumbbell and barbell use.
Check at McSport →
Hit Fitness Neoprene 12kg Set
Lighter set for mobility, circuits and rehabilitation work.
Check at McSport →
PowerBlock Pro 100 EXP Full Set
Expandable system for serious strength work up to 100lb per hand.
Check at Northern Fitness →
REP x PÉPIN Adjustable Dumbbells
All-steel heavy choice available from 65lb to 125lb pairs.
Check at Northern Fitness →
Ironmaster Quick-Lock 75lb System
Traditional dumbbell feel with long-term steel durability.
Check at Northern Fitness →
NÜOBELL 580 Set
Fast-changing selector pair for hypertrophy and supersets.
Check at Northern Fitness →
Snode AD80 Set
Durable selector set for varied home strength work.
Check at Northern Fitness →
NÜOBELL 550 Set
Rapid-change pair for home muscle building up to 50lb.
Check at Northern Fitness →
REP QuickDraw Adjustable Dumbbells
Rugged adjustable pair with several maximum-weight choices.
Check at Northern Fitness →
PowerBlock Sport 24 Set
Compact light selector set for beginners, rehab and circuits.
Check at Northern Fitness →
MX100 Pair with Stand
Complete heavy adjustable station with ergonomic loading height.
Check at Dynamo Fitness →
MX100 EVO Knurled Pair
Knurled selector pair for heavy strength and hypertrophy.
Check at Dynamo Fitness →
MX55 EVO Knurled Pair
Premium-feel mid-weight pair for supersets and muscle building.
Check at Dynamo Fitness →
Reeplex Olympic Adjustable Set 31.5kg
Olympic plate-loaded option for durable progressive strength work.
Check at Dynamo Fitness →
Reeplex Olympic Adjustable Set 21.5kg
Mid-range plate-loaded pair for progressive home training.
Check at Dynamo Fitness →
Impact Fitness Adjustable Set 30kg
Heavier standard set for muscle building and compound movements.
Check at Dynamo Fitness →
Impact Fitness Adjustable Set 25kg
Budget all-rounder for progressive overload and compact storage.
Check at Dynamo Fitness →
Reeplex Olympic Dumbbell Pair with Clips
Entry-level handles for users who own Olympic plates.
Check at Dynamo Fitness →Kettlebells for power, conditioning and sport.
Start with the movement, then compare 8 options selected for your country.
Compare kettlebells →Get equipment recommendations for your space
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