BowFlex Results Series 552 SelectTech Adjustable Dumbbells (Pair) vs NÜOBELL 580 Adjustable Dumbbells, 5-80 lb Pair
These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.
BowFlex Results Series 552 SelectTech Adjustable Dumbbells (Pair)
Fine 2.5 pound steps in the lighter half of the range
A pair of dial-selected dumbbells with 15 published settings from 5 to 52.5 pounds, tapered plates and storage trays included. The steps are 2.5 pounds up to 25 pounds and 5 pounds above that, the body stays 16.9 inches long at every setting, and parts are covered for two years.
Published specifications
- Maker page: sold as a pair; storage trays included; stand sold separately
- Maker page: 15 settings, 5 to 52.5 lb, 2.5 lb steps to 25 lb then 5 lb
- Maker page: 16.9 in L x 8.3 in W x 9 in H per dumbbell
- Maker page: curved shape with tapered plates, grey accents
- Maker page: warranty parts, two years; protection plans sold separately
- Listing: model BFW0025-OS, 110.6 lb shipped, Johnson Health Tech
Strengths
- BowFlex publishes all 15 weight settings rather than a range
- Storage trays included, and the maker states clearly it is sold as a pair
- Comparison table lets you check this against the 52, 90 and 1090 models
Caveats
- Steps widen to 5 pounds above 25 pounds, where many lifters want finer jumps
- The dumbbell is 16.9 inches long even at the 5 pound setting
- Two years on parts, where BowFlex's heavier models get three
Read the full BowFlex Results Series 552 SelectTech Adjustable Dumbbells (Pair) guide
NÜOBELL 580 Adjustable Dumbbells, 5-80 lb Pair
Home lifters who want one pair covering 5 to 80 pounds in 5 pound steps
A pair of twist-handle adjustable dumbbells that select 5 to 80 lb per hand in 5 lb steps, with cradles included. NÜO's manual restricts them to indoor residential use and weight changes in the cradle only. The listing's four-year warranty claim does not match NÜO's two years, with two more only for direct purchases.
Published specifications
- 5 to 80 lb per dumbbell in 5 lb increments
- Handle weight shown may vary by up to 5 percent
- 485 x 193 x 185 mm (L x W x H), per NÜO
- Aluminum handle, 105 mm long, 32 mm diameter, per NÜO
- Indoor residential use only, per the manual
- Two-year warranty; four only when bought from NÜO
Strengths
- Sixteen settings from 5 to 80 lb in one pair
- Weight is chosen by turning the handle while it sits in the cradle
- Manual says it is factory-lubricated and needs no further treatment
Caveats
- Listing's four-year warranty differs from NÜO's two years
- Must be adjusted in the cradle and never dropped
- Residential use only; no commercial or gym use
Read the full NÜOBELL 580 Adjustable Dumbbells, 5-80 lb Pair guide
How to choose between them
Choose the BowFlex Results Series 552 SelectTech Adjustable Dumbbells (Pair) if your situation matches: Fine 2.5 pound steps in the lighter half of the range. Its main caveat: Steps widen to 5 pounds above 25 pounds, where many lifters want finer jumps.
Choose the NÜOBELL 580 Adjustable Dumbbells, 5-80 lb Pair if your situation matches: Home lifters who want one pair covering 5 to 80 pounds in 5 pound steps. Its main caveat: Listing's four-year warranty differs from NÜO's two years.
Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.
Primary sources
- BowFlex product page for the Results Series 552 SelectTech Dumbbells Source for BowFlex Results Series 552 SelectTech Adjustable Dumbbells (Pair)
- BowFlex SelectTech adjustable weights range and comparison page Source for BowFlex Results Series 552 SelectTech Adjustable Dumbbells (Pair)
- NÜO Athletics NÜOBELL 580 adjustable dumbbells product page Source for NÜOBELL 580 Adjustable Dumbbells, 5-80 lb Pair
- NÜOBELL user manual for the 220, 232, 550 and 580 Source for NÜOBELL 580 Adjustable Dumbbells, 5-80 lb Pair
- NÜO Athletics user manual index Source for NÜOBELL 580 Adjustable Dumbbells, 5-80 lb Pair
Primary sources checked .