NordicTrack
NordicTrack 55 Lb. Select-A-Weight Dumbbells
$399Cheaper
Best Adjustable Dumbbells · head-to-head
NordicTrack 55 Lb. Select-A-Weight Dumbbells vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb)
A sourced, side-by-side comparison. NordicTrack 55 Lb. Select-A-Weight Dumbbells is cheaper at $399. Every spec and price links to its source.
Which is better: the NordicTrack 55 Lb. Select-A-Weight Dumbbells or Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb)?
The NordicTrack 55 Lb. Select-A-Weight Dumbbells wins 1 of the 1 specs we compare head to head; the other wins 0. The NordicTrack 55 Lb. Select-A-Weight Dumbbells is the cheaper at $399. The NordicTrack 55 Lb. Select-A-Weight Dumbbells both leads on specs and costs less — the straightforward pick.
See NordicTrack 55 Lb. Select-A-Weight Dumbbells on Amazon See Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | NordicTrack 55 Lb. Select-A-Weight Dumbbells |  Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) |
|---|---|---|
| US price | $399 | $699 |
| Brand | NordicTrack | Ironmaster |
| Released | — | — |
| Weight range (lb) | 10–55 | 5–75 |
| Increments (lb) | 2.5 and 5 | 2.5 |
| Adjustment type | pin | — |
| Sold as | pair | pair |
| Max per dumbbell (lb) | 55 | 75 |
| Weight settings | 15 | — |
| Expandable | No | Yes |
Sources — NordicTrack 55 Lb. Select-A-Weight Dumbbells: nordictrack.com (verified 2026-06-15). Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb): ironmaster.com (verified 2026-07-10).
What's the difference between the NordicTrack 55 Lb. Select-A-Weight Dumbbells and Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb)?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- Weight range (lb): NordicTrack 55 Lb. Select-A-Weight Dumbbells 10–55 vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) 5–75
- Increments (lb): NordicTrack 55 Lb. Select-A-Weight Dumbbells 2.5 and 5 vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) 2.5
- Max per dumbbell (lb): NordicTrack 55 Lb. Select-A-Weight Dumbbells 55 vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) 75
- Expandable: NordicTrack 55 Lb. Select-A-Weight Dumbbells false vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) true
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
NordicTrack 55 Lb. Select-A-Weight Dumbbells
Only one whitelisted tester, BarBend, published a hands-on review of this exact 10-55 lb model. All three quotes verified as literal substrings of the fetched page. BarBend calls it among the best budget adjustable dumbbells, praising the redesigned steel knurled handles, the compact shoebox-size footprint, and the roughly $350 value that replaces 15 pairs of dumbbells, while flagging the short three-month warranty, the 55 lb per-hand ceiling that may turn powerlifters away, and the rounded, non-ergonomic plates that make them poor for push-ups or planks. No lab measurements were reported. (1 sourced review, 1 lab-tested.)
Praised: Redesigned steel handles with moderate knurling that improve grip; Strong value around $350 for a 10-55 lb range that replaces 15 pairs of dumbbells; Compact, space-saving footprint about the size of a shoebox with quick pin-and-slide adjustment.
Flagged: Short three-month warranty versus competitors' two-year coverage; 55 lb per-hand ceiling too light for stronger lifters/powerlifters; Rounded plates and non-ergonomic handle make them poor for push-ups or planks.
Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb)
One whitelisted outlet — BarBend — provides a genuine hands-on, expert-tested review of this exact 75-lb Ironmaster Quick-Lock set, scoring durability and value 5/5. Their tester praises the authentic, wobble-free real-dumbbell feel, knurled chrome-plated handles, and heavy expandability (up to 120/165 lbs via add-on kits), while flagging tedious plate swaps with no color coding, a mediocre sheet-metal stand, and a steep price ($519–$698 per pair). The second whitelisted candidate (Garage Gym Reviews) was not fetchable and excluded, leaving this a single-source result. (1 sourced review, 1 lab-tested.)
Praised: Feels like a real, traditional dumbbell with an even, wobble-free loaded feel; Heavy-duty chrome-plated steel and hand-cast iron build; durability scored 5/5; Quick-Lock system adjusts noticeably faster than other spin-lock/steel dumbbells.
Flagged: Plate swaps are tedious/slow — no color coding, requires mental math; Included storage stand is flimsy sheet metal ('just alright'); Expensive at $519–$698 per pair.