BowFlex Results Series 552 SelectTech Adjustable Dumbbells (Pair) vs FLYBIRD DB2 Quick Adjustable Dumbbell, 55 lb, Set of 2
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
FLYBIRD DB2 Quick Adjustable Dumbbell, 55 lb, Set of 2
Big weight jumps rather than small progressive steps
A pair of dial-adjusted dumbbells with just five settings, 15 to 55 pounds in 10 pound steps, and a tray each. The dial must only be turned while the dumbbell sits in its tray, and you listen for a click and check the handle alignment before lifting. One year of warranty, shipped in two boxes.
Published specifications
- Maker page: five settings, 15, 25, 35, 45 and 55 lb, 10 lb steps
- Maker page: 19 in L x 8.5 in W x 8 in H per dumbbell; 1 in handle
- Maker page: 8 plates total, about 7.7 in plate diameter, rotating dial
- Manual: do not turn the dial when the dumbbell is out of the tray
- Manual: listen for the click and align the handle with the scale mark before lifting
- Maker page: one-year warranty, 30-day money-back guarantee
Strengths
- One-handed dial change with a tray included for each dumbbell
- Maker publishes plate count, plate diameter and exact dimensions
- Thirty-day money-back guarantee stated on the maker's own page
Caveats
- Only five settings, with nothing under 15 pounds and 10 pound jumps
- Nineteen inches long per dumbbell at every setting
- One-year warranty with no component breakdown published
Read the full FLYBIRD DB2 Quick Adjustable Dumbbell, 55 lb, Set of 2 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 FLYBIRD DB2 Quick Adjustable Dumbbell, 55 lb, Set of 2 if your situation matches: Big weight jumps rather than small progressive steps. Its main caveat: Only five settings, with nothing under 15 pounds and 10 pound jumps.
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)
- Maker product page for the Flybird Series DB2 Quick Adjustable Dumbbell 55LBS Source for FLYBIRD DB2 Quick Adjustable Dumbbell, 55 lb, Set of 2
- Flybird 55LBS Quick Adjustable Dumbbell user manual (maker PDF, safety page read by render) Source for FLYBIRD DB2 Quick Adjustable Dumbbell, 55 lb, Set of 2
Primary sources checked .