# BowFlex Results Series 552 SelectTech Dumbbells vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb): specs and price compared

A sourced, side-by-side comparison of the BowFlex Results Series 552 SelectTech Dumbbells (BowFlex) and Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) (Ironmaster) among adjustable dumbbells. BowFlex Results Series 552 SelectTech Dumbbells is the cheaper of the two at $479.

## Side by side

| Spec | BowFlex Results Series 552 SelectTech Dumbbells | Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) |
| --- | --- | --- |
| US price | $479 | $699 |
| Brand | BowFlex | Ironmaster |
| Released | 2025 | — |
| Weight range (lb) | 5–52.5 | 5–75 |
| Increments (lb) | 2.5 (first 25 lb), 5 thereafter | 2.5 |
| Adjustment type | dial | — |
| Sold as | pair | pair |
| Max per dumbbell (lb) | 52.5 | 75 |
| Weight settings | 15 | — |
| Expandable | No | Yes |

## Key differences

- Weight range (lb): BowFlex Results Series 552 SelectTech Dumbbells 5–52.5 vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) 5–75
- Increments (lb): BowFlex Results Series 552 SelectTech Dumbbells 2.5 (first 25 lb), 5 thereafter vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) 2.5
- Max per dumbbell (lb): BowFlex Results Series 552 SelectTech Dumbbells 52.5 vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) 75
- Expandable: BowFlex Results Series 552 SelectTech Dumbbells No vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) Yes

## What reviewers say

**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.)

## Sources

- BowFlex Results Series 552 SelectTech Dumbbells: https://www.bowflex.com/product/552-adjustable-dumbbells/100131.html (bowflex.com, verified 2026-06-28)
- Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb): https://www.ironmaster.com/products/quick-lock-adjustable-dumbbells-75-original/ (ironmaster.com, verified 2026-07-10)

Canonical: https://frontdeskreview.com/gear/adjustable-dumbbells/bowflex-selecttech-552-results-series-vs-ironmaster-quick-lock-75lb/
Cite: Per The Front Desk Review, BowFlex Results Series 552 SelectTech Dumbbells ($479) vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) ($699) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/adjustable-dumbbells/bowflex-selecttech-552-results-series-vs-ironmaster-quick-lock-75lb/
License: CC BY 4.0.