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BowFlex SelectTech 552 Adjustable Dumbbells (Results Series)FEIERDUN DS2 5-in-1 Adjustable Dumbbell Set

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Read our full BowFlex SelectTech 552 Adjustable Dumbbells vs FEIERDUN DS2 5-in-1 Adjustable Dumbbell Set comparison — verdict, winners by criterion and FAQ
Side-by-side comparison of BowFlex SelectTech 552 Adjustable Dumbbells (Results Series), FEIERDUN DS2 5-in-1 Adjustable Dumbbell Set
BowFlex SelectTech 552 Adjustable Dumbbells (Results Series)

BowFlex

SelectTech 552 Adjustable Dumbbells (Results Series)

Best for Beginners

Check price on AmazonBuy from the brand
FEIERDUN DS2 5-in-1 Adjustable Dumbbell Set

FEIERDUN

DS2 5-in-1 Adjustable Dumbbell Set

Best Budget

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FR ScoreFR Score 8.1 out of 10, GreatTOPFR Score 7.6 out of 10, Good
Build Quality & Durability7.4 (best)7.0
Performance & Feel8.1 (best)7.1
Ease of Use & Footprint9.0 (best)7.3
Value for Money8.19.2 (best)
Typical price~$479See retailer
Video reviews3 videos4 videos
Pros
  • Dial adjustment is the easiest system for beginners to learn
  • 5–52.5 lb range replaces 15 sets of weights
  • Redesigned with metal plate-attachment parts and a locking mechanism
  • Five uses in one set: dumbbells, barbell, kettlebells, push-up stands and plates
  • Very affordable at about $85 for the 45-lb set
  • Comfortable grips and secure threaded collars, according to reviewers
Cons
  • Original design was recalled in 2025; the redesign has a short track record
  • Maxes out at 52.5 lb per hand
  • Stays long and bulky even at light weights
  • Slow weight changes because collars must be unscrewed
  • Sand-filled plates are bulky for the weight
  • Barbell mode is short and light compared with a real bar
Weight range5–52.5 lb per dumbbell—
Replaces15 sets of weights—
AdjustmentDual weight-selection dials—
Plate attachmentMetal components with secure locking mechanism—
GripNon-slip ergonomic handle—
IncludedStorage trays—
StandCompatible with BowFlex SelectTech Adjustable Dumbbell Stand (sold separately)—
Model numberBFW0025-OS—
Sold asPair—
Modes—Dumbbells, barbell, kettlebells, push-up stands, weight plates
Set sizes—20, 30, 45, 70 or 90 lb total
45-lb set ranges—Dumbbell 6–22.5 lb each; kettlebell 4–19.5 lb; barbell 8–45 lb
Plates—Plastic shell molded with high-density iron sand
Collars—Multi-turn threaded twist-lock knobs
Barbell pad—Foam sleeve over steel connector
Warranty—3 years (1,095 days)
Model number (45-lb set)—D1ND05PR

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