{
  "category": {
    "slug": "adjustable-dumbbells",
    "name": "Adjustable Dumbbells",
    "description": "Selectorized and plate-loaded adjustable dumbbells; kettlebells and barbells are separate."
  },
  "url": "https://stierproducts.com/categories/adjustable-dumbbells",
  "markdown": "https://stierproducts.com/categories/adjustable-dumbbells.md",
  "updated": "2026-08-06T19:08:16.392Z",
  "productsRanked": 13,
  "summary": "On the stierproducts adjustable dumbbells board, Bowflex Results Series SelectTech 552 ranks #1 in S tier, ahead of Core Home Fitness Adjustable Dumbbell Set (50 lb) (#2, A tier) and NUOBELL Nüobell 80 lb (#3, B tier). The board ranks 13 adjustable dumbbells from S (best) to F (avoid), last researched 6 Aug 2026, drawing on 65 outlet citations across the board. Placed in the bottom tiers as ones to avoid: Flybird Adjustable Dumbbells, Snode AD80 Adjustable Dumbbells, Rep Fitness Dual Adonis, and 2 others.",
  "method": {
    "summary": "Each category is researched in four independent runs, one per lens (expert consensus, value, reliability, community pulse). Every run ranks a board of candidates that deliberately includes products buyers cross-shop but should avoid. Placements score on a ranked ladder (LP), and tiers are derived from LP, so no tier is ever assigned by hand.",
    "url": "https://stierproducts.com/methodology"
  },
  "license": {
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/",
    "terms": "https://stierproducts.com/license",
    "covers": [
      "text",
      "rankings",
      "tiers",
      "lp",
      "verdicts",
      "pros",
      "cons"
    ],
    "excludes": [
      "images"
    ],
    "imageRights": "Product photographs are not covered: they belong to their respective owners and are reproduced to illustrate the product being reviewed. Do not redistribute them under this licence."
  },
  "tierMeanings": {
    "S": "Exceptional. Finishes top run after run; capped at 3 slots per category.",
    "A": "Excellent. Strongly recommended, beaten only by the very best.",
    "B": "Good. A solid choice with real caveats worth knowing.",
    "C": "Fair. Acceptable in the right situation, outclassed at its price.",
    "D": "Weak. Hard to recommend when better options cost similar money.",
    "F": "Avoid. The evidence points you elsewhere."
  },
  "products": [
    {
      "rank": 1,
      "tier": "S",
      "lp": 975,
      "name": "Bowflex Results Series SelectTech 552",
      "brand": "Bowflex",
      "slug": "bowflex-results-series-selecttech-552",
      "url": "https://stierproducts.com/products/bowflex-results-series-selecttech-552",
      "verdict": "A premium option that performs well across key metrics, offering strong investment value.",
      "pros": [
        "Premium build quality",
        "Strong performance in tests",
        "High investment value",
        "Smooth selector mechanism",
        "Durable construction"
      ],
      "citations": 4,
      "distinctOutlets": 4,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/bowflex-results-series-selecttech-552.webp"
    },
    {
      "rank": 2,
      "tier": "A",
      "lp": 786,
      "name": "Core Home Fitness Adjustable Dumbbell Set (50 lb)",
      "brand": "Core Home Fitness",
      "slug": "core-home-fitness-adjustable-dumbbell-set-50-lb",
      "url": "https://stierproducts.com/products/core-home-fitness-adjustable-dumbbell-set-50-lb",
      "verdict": "Fast weight changes, solid cast-iron build, excellent longevity.",
      "pros": [
        "Fast weight changes",
        "Solid cast-iron construction",
        "Can go up to 50 pounds faster than you can sneeze",
        "Solid feel",
        "Best overall in Wirecutter"
      ],
      "citations": 3,
      "distinctOutlets": 3,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/core-home-fitness-adjustable-dumbbell-set-50-lb.webp"
    },
    {
      "rank": 3,
      "tier": "B",
      "lp": 624,
      "name": "NUOBELL Nüobell 80 lb",
      "brand": "NUOBELL",
      "slug": "nuobell-n-obell-80-lb",
      "url": "https://stierproducts.com/products/nuobell-n-obell-80-lb",
      "verdict": "Its all-metal internal mechanism and proven durability make it a true buy-it-for-life option.",
      "pros": [
        "Solid, all-metal construction",
        "Long-term durability",
        "Highly praised for longevity",
        "80-lb capacity",
        "Reliable twist-and-lock"
      ],
      "citations": 8,
      "distinctOutlets": 8,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/nuobell-n-obell-80-lb.webp"
    },
    {
      "rank": 4,
      "tier": "B",
      "lp": 593,
      "name": "Core Home Fitness Adjustable Dumbbell Set (75 lb)",
      "brand": "Core Home Fitness",
      "slug": "core-home-fitness-adjustable-dumbbell-set-75-lb",
      "url": "https://stierproducts.com/products/core-home-fitness-adjustable-dumbbell-set-75-lb",
      "verdict": "A budget-friendly set that delivers solid functionality for value seekers.",
      "pros": [
        "Affordable price point",
        "Good functional performance",
        "Smooth twist-and-lock mechanism",
        "High build quality",
        "Lifetime warranty on metal components"
      ],
      "citations": 4,
      "distinctOutlets": 4,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/core-home-fitness-adjustable-dumbbell-set-75-lb.webp"
    },
    {
      "rank": 5,
      "tier": "B",
      "lp": 537,
      "name": "LifePro PowerFlow Plus",
      "brand": "LifePro",
      "slug": "lifepro-powerflow-plus",
      "url": "https://stierproducts.com/products/lifepro-powerflow-plus",
      "verdict": "Good balance of price and durability; solid weight transition for everyday use.",
      "pros": [
        "Price-to-durability ratio",
        "Smooth weight transition",
        "Smooth, lock-in system that’s easy to use",
        "Most affordable",
        "Affordable pricing"
      ],
      "citations": 5,
      "distinctOutlets": 4,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/lifepro-powerflow-plus.webp"
    },
    {
      "rank": 6,
      "tier": "B",
      "lp": 525,
      "name": "NordicTrack Select-A-Weight",
      "brand": "NordicTrack",
      "slug": "nordictrack-select-a-weight",
      "url": "https://stierproducts.com/products/nordictrack-select-a-weight",
      "verdict": "A budget option that lacks standout qualities compared to other competitors.",
      "pros": [
        "Affordable price point",
        "Robust build",
        "Quick-change dial",
        "Easy to use",
        "Loadable up to 55 lb"
      ],
      "citations": 5,
      "distinctOutlets": 5,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/nordictrack-select-a-weight.webp"
    },
    {
      "rank": 7,
      "tier": "B",
      "lp": 500,
      "name": "ETHOS 50 lb Selectable Dumbbells",
      "brand": "ETHOS",
      "slug": "ethos-50-lb-selectable-dumbbells",
      "url": "https://stierproducts.com/products/ethos-50-lb-selectable-dumbbells",
      "verdict": "Well-recommended by an experienced user, though frequent adjustments can feel tedious.",
      "pros": [
        "Solid build quality",
        "Positive user endorsement",
        "Steel construction",
        "Thick plastic",
        "By far the most durable adjustable dumbbells tested"
      ],
      "cons": [
        "Adjustment tedium with frequent changes"
      ],
      "citations": 6,
      "distinctOutlets": 6,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/ethos-50-lb-selectable-dumbbells.webp"
    },
    {
      "rank": 8,
      "tier": "C",
      "lp": 379,
      "name": "Cap Adjustable Dumbbells",
      "brand": "Cap",
      "slug": "cap-adjustable-dumbbells",
      "url": "https://stierproducts.com/products/cap-adjustable-dumbbells",
      "verdict": "Ergonomic design and durable metal plates make it a dependable mid-range choice.",
      "pros": [
        "Ergonomic design",
        "Durable metal plates"
      ],
      "cons": [
        "Rattling",
        "Flimsy adjustment mechanism"
      ],
      "citations": 3,
      "distinctOutlets": 3,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 1,
        "ofRuns": 2
      },
      "image": "https://stierproducts.com/images/products/cap-adjustable-dumbbells.webp"
    },
    {
      "rank": 9,
      "tier": "D",
      "lp": 316,
      "name": "Flybird Adjustable Dumbbells",
      "brand": "Flybird",
      "slug": "flybird-adjustable-dumbbells",
      "url": "https://stierproducts.com/products/flybird-adjustable-dumbbells",
      "verdict": "Flybird’s 50-lb set features a unique “swing-lock” mechanism that eliminates the need for a separate cage, resulting in a lighter overall weight and fewer moving parts. The manufacturer offers a 3-year warranty on all components, and independent reviews report no failures after prolonged use.",
      "pros": [
        "Swing-lock mechanism removes separate cage",
        "Lighter overall design",
        "Fewer moving parts",
        "3-year warranty",
        "Compact design"
      ],
      "citations": 8,
      "distinctOutlets": 8,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 2,
        "ofRuns": 4
      },
      "image": "https://stierproducts.com/images/products/flybird-adjustable-dumbbells.webp"
    },
    {
      "rank": 10,
      "tier": "D",
      "lp": 304,
      "name": "Snode AD80 Adjustable Dumbbells",
      "brand": "Snode",
      "slug": "snode-ad80-adjustable-dumbbells",
      "url": "https://stierproducts.com/products/snode-ad80-adjustable-dumbbells",
      "verdict": "A budget option that does not stand out among competitors.",
      "pros": [
        "Wide weight range",
        "Simple twist-to-adjust system",
        "Robust design",
        "No wobble after long use",
        "Ergonomic construction"
      ],
      "cons": [
        "Mediocre performance",
        "No distinguishing features"
      ],
      "citations": 5,
      "distinctOutlets": 5,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 1,
        "ofRuns": 5
      },
      "image": "https://stierproducts.com/images/products/snode-ad80-adjustable-dumbbells.webp"
    },
    {
      "rank": 11,
      "tier": "D",
      "lp": 304,
      "name": "Rep Fitness Dual Adonis",
      "brand": "Rep Fitness",
      "slug": "rep-fitness-dual-adonis",
      "url": "https://stierproducts.com/products/rep-fitness-dual-adonis",
      "verdict": "Featured at Home Gym Con 2026, it is a popular choice among enthusiasts for its quality and quick-adjust feature.",
      "pros": [
        "High quality construction",
        "Quick-adjust mechanism",
        "Popular at major industry events",
        "Decent dial mechanism",
        "Viable budget option"
      ],
      "cons": [
        "Falls behind more durable competitors",
        "Weight plates can slip over time",
        "Clunky selector",
        "Inconsistent weight changes",
        "Poor build quality"
      ],
      "citations": 5,
      "distinctOutlets": 5,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 1,
        "ofRuns": 7
      },
      "image": "https://stierproducts.com/images/products/rep-fitness-dual-adonis.webp"
    },
    {
      "rank": 12,
      "tier": "F",
      "lp": 147,
      "name": "Vexloria Adjustable Dumbbell Set",
      "brand": "Vexloria",
      "slug": "vexloria-adjustable-dumbbell-set",
      "url": "https://stierproducts.com/products/vexloria-adjustable-dumbbell-set",
      "verdict": "Similar to the Snode set, it offers no standout qualities.",
      "pros": [
        "Affordability",
        "Reliable locking mechanism",
        "Quick-change mechanism",
        "Solid construction",
        "Compact design"
      ],
      "cons": [
        "Unremarkable design",
        "No unique advantages",
        "Weight slippage",
        "Flimsy dial",
        "Frequent failures"
      ],
      "citations": 5,
      "distinctOutlets": 5,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 4,
        "ofRuns": 6
      },
      "image": "https://stierproducts.com/images/products/vexloria-adjustable-dumbbell-set.webp"
    },
    {
      "rank": 13,
      "tier": "F",
      "lp": 60,
      "name": "SQUATZ 70lb Adjustable Dumbbell",
      "brand": "SQUATZ",
      "slug": "squatz-70lb-adjustable-dumbbell",
      "url": "https://stierproducts.com/products/squatz-70lb-adjustable-dumbbell",
      "verdict": "Inferior compared to other tested products.",
      "pros": [
        "Smooth weight-change",
        "Durable build",
        "Good for heavier lifts in a compact package"
      ],
      "cons": [
        "Shortcomings noted in tests",
        "Cheap plastic construction",
        "Breaks after minimal use",
        "Uneven weight-change and plates may shift during heavy lifts",
        "Metal cage deforms with moderate use"
      ],
      "citations": 5,
      "distinctOutlets": 5,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 4,
        "ofRuns": 5
      },
      "image": "https://stierproducts.com/images/products/squatz-70lb-adjustable-dumbbell.webp"
    }
  ]
}