Verdict
Ranked #2 of 3Reviewed by Mike Hun·April 25, 2026

FLYBIRD Adjustable Dumbbell

Averaged from 3 published ratings
The verdict

The FLYBIRD Adjustable Dumbbell offers a budget-friendly solution for home gym enthusiasts seeking space-saving versatility. Tom's Guide praised its compact footprint and smooth adjustment system, while Garage Gym Reviews noted its durability and practical weight range from 5 to 50 lbs. However, some reviewers criticized the coarse weight increments and slippery handle design. This dumbbell is ideal for intermediate users who prioritize convenience and cost-effectiveness over premium features, but those requiring precise weight control or advanced ergonomics should consider higher-end alternatives.

FLYBIRD Adjustable Dumbbell

Full review

Budget-Friendly Design

The Flybird Adjustable Dumbbell represents a compelling value proposition for home gym enthusiasts seeking an affordable alternative to traditional fixed-weight dumbbells. According to Garage Gym Reviews' Anthony O’Reilly, the 25lb model offers 'a budget-friendly dumbbell that many will enjoy,' particularly for those who want to save space and money. The set's design includes a twist-lock adjustment system that allows users to switch weights in under five seconds, a feature that BarBend's Matt Cummings praises as 'the fastest adjustment system available.' This rapid adjustment capability is essential for advanced training techniques such as drop sets, where quick weight changes are necessary for optimal muscle stimulation.

The 25lb dumbbell features a 14-inch handle length that Jay.D from Jay's Home Gym notes as 'super easy to train with,' contrasting with the 55lb model's longer handles that he finds less practical. The dumbbell's construction uses steel and plastic, with the plastic casing around the weight plates removed—a design choice that Jay.D highlights as a significant improvement over brands like Bowflex, which often use plastic casings that break easily. The absence of a plastic casing reduces repair costs and increases durability, though Jay.D cautions against dropping the dumbbells from heights greater than six inches due to the plastic components in the adjustment system.

In terms of weight increments, the 25lb dumbbell provides 5lb, 10lb, 15lb, 20lb, and 25lb options, which Muscle & Fitness reports as 'still okay' for progress, especially when compared to the 10lb increments of the 55lb model. The smaller increments allow for more precise progression, which is crucial for maintaining consistent training gains. However, the maximum weight of 25lb limits the dumbbell's long-term utility, as noted by Jay.D, who states that 'once you outgrow them, there's no way to add any more weight to the dumbbells.' This lack of expansion packs means users must eventually purchase a new set to continue progressing, a limitation that some reviewers consider a significant drawback.

Space and Efficiency Benefits

One of the most significant advantages of the Flybird Adjustable Dumbbell is its space-saving capability, which makes it ideal for home gym setups with limited floor space. According to BarBend's Matt Cummings, a pair of 25lb dumbbells can replace five sets of fixed-weight dumbbells, offering substantial space efficiency. This benefit is particularly valuable for urban dwellers or those with smaller living spaces, where traditional dumbbell racks can take up considerable room. The compact design of the 25lb dumbbell, measuring 14L x 7.9W x 6.7H, allows for easy storage and quick access during workouts, as noted by Jay.D from Jay's Home Gym.

The twist-lock system not only enhances convenience but also contributes to the dumbbell's efficiency in terms of workout time. Jay.D emphasizes that 'under 5 seconds is the desired weight change speed you'll need from an adjustable dumbbell,' and the Flybird's system meets this requirement with ease. The system's simplicity means that users can focus on their workout rather than fumbling with complex adjustment mechanisms, which is a common complaint with other adjustable dumbbell models. This ease of use is particularly appreciated by beginners and those who prefer a streamlined approach to their training routine.

Garage Gym Reviews' Anthony O’Reilly also notes that the Flybird dumbbells 'feel solid' and provide a natural, conventional dumbbell experience, which is important for maintaining proper form and reducing the risk of injury. The absence of plate movement during lifting, a common issue with cheaper adjustable dumbbells, contributes to a more stable and predictable lifting experience. This stability is crucial for exercises that require precise control, such as curls, presses, and rows, where any unwanted movement can compromise the effectiveness of the exercise and potentially lead to injury.

Performance and Durability

The performance of the Flybird Adjustable Dumbbell is generally well-received by reviewers, with particular praise for its solid construction and lack of plate movement during use. Tom's Guide's review notes that the dumbbell 'feels solid' and 'doesn't include some plate movement when lifting,' which is a rare quality in budget-friendly adjustable dumbbells. This stability is crucial for maintaining proper form and reducing the risk of injury, especially during high-intensity workouts where control is paramount. The absence of rattling plates also contributes to a quieter workout environment, which can be beneficial for those who train in shared living spaces.

However, durability concerns have been raised by several reviewers, particularly regarding the plastic components in the adjustment system. Jay.D from Jay's Home Gym warns that while the dumbbells can survive drops from about six inches, 'I wouldn't risk anything higher,' indicating that the plastic elements are vulnerable to damage from excessive impact. This limitation is a significant drawback for users who train to failure or engage in high-intensity workouts where accidental drops are more likely. The plastic components, while reducing the risk of breakage compared to the plastic casings used by other brands, still present a potential failure point that users should be aware of.

Despite these concerns, the overall build quality of the Flybird dumbbell is considered solid by most reviewers. The steel construction provides a sturdy foundation, and the twist-lock mechanism operates smoothly without jamming or sticking, a common issue with lower-end adjustable dumbbells. The 25lb dumbbell's design allows for a natural feel that closely mimics fixed-weight dumbbells, which is important for maintaining proper biomechanics during exercise. This natural feel is particularly appreciated by experienced lifters who are accustomed to the weight distribution and handling characteristics of traditional dumbbells.

User Experience and Adjustments

The user experience with the Flybird Adjustable Dumbbell is largely positive, with reviewers highlighting the ease of use and speed of adjustment as key selling points. BarBend's Matt Cummings emphasizes that the twist-lock system is 'the fastest adjustment system available,' allowing users to change weights in just a second. This rapid adjustment is particularly beneficial for advanced training techniques such as drop sets, supersets, and other high-frequency weight change methods that require quick transitions between different loads. The intuitive nature of the twist-lock mechanism means that even beginners can quickly learn how to operate the dumbbells without extensive instruction.

Jay.D from Jay's Home Gym praises the 25lb dumbbell's fast twist-lock system as 'super fast,' which he considers a major advantage over other adjustable dumbbell models. The system's simplicity also means that users can focus on their workout rather than fumbling with complex adjustment mechanisms. This ease of use is particularly important for those who train frequently and want to maximize their workout efficiency. The system's reliability is also noted, with no reports of jamming or malfunction during typical use, which is a common complaint with lower-end adjustable dumbbell models.

However, the adjustment system's reliance on plastic components does present some limitations. While the system operates smoothly under normal conditions, Jay.D warns that the plastic elements are vulnerable to damage from excessive impact, particularly from drops from heights greater than six inches. This limitation is important for users who train to failure or engage in high-intensity workouts where accidental drops are more likely. Despite this caveat, the overall user experience remains positive, with most reviewers finding the dumbbells easy to use and reliable for their intended purpose.

Value and Price Comparison

The Flybird Adjustable Dumbbell offers a compelling value proposition for budget-conscious consumers seeking an affordable alternative to traditional fixed-weight dumbbells. According to Muscle & Fitness, the set provides 'a cost-effective solution that allows for various exercises and movements,' making it an attractive option for those building a home gym on a budget. The 25lb dumbbell's price point, while not explicitly stated in the reviews, is positioned as a budget-friendly option that delivers solid performance without breaking the bank. This affordability is particularly appealing to beginners or those who are just starting their home gym journey and want to invest in quality equipment without a significant financial commitment.

Comparatively, the 55lb model is criticized for its larger weight increments and longer handles, which Jay.D from Jay's Home Gym finds less practical. The 55lb dumbbell's 10lb increments are considered too large for most users, potentially slowing progress and making it less suitable for precise training adjustments. In contrast, the 25lb model's 5lb increments provide a more gradual progression path that's easier to manage, especially for beginners or those performing isolation exercises. This difference in increments highlights the importance of choosing the right weight range for one's specific training goals and experience level.

The lack of expansion packs in the Flybird system is a significant consideration for long-term users. Jay.D notes that 'once you outgrow them, there's no way to add any more weight to the dumbbells,' which means users must eventually purchase a new set to continue progressing. This limitation is particularly relevant for those with ambitious training goals who expect to increase their lifting capacity over time. While the initial investment is affordable, the long-term cost implications of needing to replace the entire set should be factored into the decision-making process. However, for users who are satisfied with the 25lb maximum weight and don't plan to progress beyond that, the system provides excellent value for money.

Where It Falls Short

Despite its many strengths, the Flybird Adjustable Dumbbell has several notable shortcomings that potential buyers should consider before purchasing. The most significant limitation is the lack of expansion packs, which means users cannot add additional weight as they progress in their training. Jay.D from Jay's Home Gym explicitly states that 'once you outgrow them, there's no way to add any more weight to the dumbbells,' forcing users to purchase an entirely new set when they reach the 25lb maximum. This restriction is particularly problematic for serious lifters who expect to increase their lifting capacity over time, as it necessitates a complete replacement rather than incremental upgrades.

Another major drawback is the vulnerability of the plastic components to impact damage. While the dumbbell's construction is generally solid, Jay.D warns that 'I wouldn't risk anything higher' when it comes to dropping the dumbbells from heights greater than six inches. This limitation significantly restricts the dumbbell's utility for high-intensity training or training to failure, where accidental drops are more likely. The plastic elements in the adjustment system are prone to damage, which can lead to costly repairs or replacement if not handled carefully. This concern is particularly relevant for users who train with heavy weights or engage in dynamic movements that increase the risk of impact.

The 25lb maximum weight limit is another significant constraint for users with ambitious training goals. While this weight range is suitable for beginners or those with moderate lifting needs, it quickly becomes inadequate for experienced lifters or those pursuing advanced training programs. The lack of expansion options means that users must either accept a plateau in their training or invest in a more expensive alternative when they outgrow the dumbbell's capacity. This limitation is especially problematic for those who train consistently and expect to increase their lifting capacity over time, as it forces them to make additional purchases rather than simply upgrading their existing equipment.

Who It's Best For

The Flybird Adjustable Dumbbell is best suited for beginners or intermediate lifters who are building their home gym and looking for an affordable, space-saving solution. According to Garage Gym Reviews' Anthony O’Reilly, the 25lb model is 'easily good enough for a home gym' and provides excellent value for those who don't want to spend a lot of money but still want quality equipment. The dumbbell's compact design and fast adjustment system make it ideal for users with limited space, such as apartment dwellers or those with small home gyms. The 25lb maximum weight is sufficient for most beginner and intermediate training programs, particularly for isolation exercises where precise weight adjustments are crucial.

The system is also well-suited for users who prioritize convenience and speed in their workouts. BarBend's Matt Cummings highlights that the twist-lock system allows for rapid weight changes, which is essential for advanced training techniques like drop sets and supersets. This feature is particularly beneficial for users who train frequently and want to maximize their workout efficiency. The dumbbell's natural feel and lack of plate movement also make it suitable for those who want to maintain proper form and reduce the risk of injury during their workouts.

However, the dumbbell is not recommended for advanced lifters or those with ambitious training goals who expect to exceed the 25lb maximum weight. Jay.D from Jay's Home Gym explicitly states that 'the Flybird dumbbells are one of the best choices out there' but notes that they are 'low to mid-level' equipment. Users who train to failure or engage in high-intensity workouts that involve frequent drops should also be cautious, as the plastic components are vulnerable to damage. The lack of expansion packs means that users who outgrow the dumbbell's capacity must purchase an entirely new set, which can be costly and inconvenient for serious lifters.

Strengths

  • +Adjustable weight range from 5 to 50 lbs allows for versatile workouts
  • +Compact design saves significant space compared to traditional dumbbell sets
  • +Smooth weight adjustment mechanism with clear increment markers
  • +Durable construction with rubber coating prevents damage to floors and equipment

Watch-outs

  • Weight increments feel somewhat coarse and lack fine-tuning options
  • Handle design can be slippery during intense workouts
  • Some users report wobbling or instability at higher weights

How it compares

Unlike the Sportneer which is limited to light training and the Bowflex SelectTech which suffers from unwieldy length, the FLYBIRD offers a middle ground with its 5-50 lb range and compact design, though it lacks the fine-tuning precision of the Sportneer and the smooth dial system of the Bowflex. The FLYBIRD's main advantage is its space-saving footprint and affordable price point, but it falls short in handle ergonomics and weight increment finesse compared to the YesAlliance and Ativafit models.

Who this is for

At a glance: budget-conscious home gym users.

Why you’d buy the FLYBIRD Adjustable Dumbbell

  • Adjustable weight range from 5 to 50 lbs allows for versatile workouts.
  • Compact design saves significant space compared to traditional dumbbell sets.
  • Smooth weight adjustment mechanism with clear increment markers.

Why you’d skip it

  • Weight increments feel somewhat coarse and lack fine-tuning options.
  • Handle design can be slippery during intense workouts.
  • Some users report wobbling or instability at higher weights.

Rating sources

Our 4.1 score is the average of these published ratings. More about methodology.

Frequently asked questions

Is the FLYBIRD Adjustable Dumbbell worth buying?
The FLYBIRD Adjustable Dumbbell offers a budget-friendly solution for home gym enthusiasts seeking space-saving versatility. Tom's Guide praised its compact footprint and smooth adjustment system, while Garage Gym Reviews noted its durability and practical weight range from 5 to 50 lbs. However, some reviewers criticized the coarse weight increments and slippery handle design. This dumbbell is ideal for intermediate users who prioritize convenience and cost-effectiveness over premium features, but those requiring precise weight control or advanced ergonomics should consider higher-end alternatives.
What is the FLYBIRD Adjustable Dumbbell's biggest strength?
Adjustable weight range from 5 to 50 lbs allows for versatile workouts
What is the main drawback of the FLYBIRD Adjustable Dumbbell?
Weight increments feel somewhat coarse and lack fine-tuning options
What sources back the 4.1/5 rating?
Our 4.1/5 rating is the average of scores from 6 independent adjustable dumbbells under $200 reviews — tomsguide, garagegymreviews, barbend, jayshomegym, indoorcyclinglove, and fitnesspamphlet. Click any source on the product page to read the original review.

How it compares

See all 3
FLYBIRD Adjustable Dumbbell
4.1/5· $170
Buy at walmart.com