Strength & Movement · Adjustable Dumbbells
FLYBIRD DB2 Adjustable Dumbbell, 55LB Single, 5-in-1 Quick…
One dial takes a single dumbbell from 5 to 55 lb, which is most of a beginner's first year.
FLYBIRD
4.5 (89 ratings) · LeanScore 90
$159.99
Price checked Aug 22, 2026Who should skip this
You want to start at 5 lb — this one begins at 15.
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Our verdict
Reviewed by the LeanFed team · Hilly Shore Labs · Updated Aug 22, 2026 · Price checked Aug 22, 2026
Synthesized from public specs and 47 buyer mentions. We research and compare — we don't test products.
Get it if
One dumbbell that covers most of a beginner's first year, for the price of a night out.
What owners praise
- Quality
- Functionality
- Adjustability
- Space-Saving
Buyers praise quality, functionality, adjustability and space-saving.
The LeanScore, unpacked
Our published method blends real owner satisfaction with in-category value. No hidden math.
Owner satisfaction88/100
Value94/100
Specifications
- Weight range
- 15-55 lb (5 settings)
- Increment
- 10 lb steps
- Adjustment
- Quick 5-in-1 select
- Sold as
- Single
- Stand/tray
- Storage box
- Per-hand max
- 55 lb
Specs from the manufacturer listing and public product data; confirm the current listing before buying.
Manufacturer's claims (from FLYBIRD)ShowHide
- 【2026 Newly Adjustable Dumbbell】Design and produce fitness equipment for 20 years. FLYBIRD strength equipment are designed with advice of professional coach, committed to meet your needs for diversified weight training
- 【ONE IS BETTER THAN FIVE】Just ONE set can cover 5 weight options(15lbs, 25lbs, 35lbs, 45lbs, 55 lbs). From lighter weights to heavier weights, you can customize your training intensity and train targeting muscle groups based on your skill level
- 【Value for Money】No need to separately buy different dumbbell weights multiple times. Maximize your space and your budget. This single set replaces five individual pairs, saving you 80% on storage space and 30% on cost compared to buying fixed weights
- 【1-SECOND Changing Weight】One-handed operation design, convenient for fast changing dumbbells' weight during training. Just turn the handle with one hand, FLYBIRD dumbbells can save you time changing different weights with both hands, enjoy the faster adjustment, and gain better training efficiency
- 【New Structural Design】Exclusive design of adjustment countweight plate, simply adjust by holding the handle according to the weight you need, turn the pointer to the corresponding number to adjust. 8 locks structure design can ensure the weight plate won't fall off during exercise
- 【Stay Organized】Don't let multiple dumbbells mess up your exercise zone. Comes with a high-strength material thickened tray, which keeps dumbbells organized and easy to store while not damaging your floor; Single dumbbell size: 19'' x 8.5' x 8'', easy to use and store
Marketing copy as listed by the manufacturer — not our assessment.