The Best Adjustable Dumbbells of 2025

Rating: 5

Bowflex SelectTech 552 Adjustable Dumbbells: The Bowflex SelectTech 552 Adjustable Dumbbells have revolutionized home strength training with their innovative design and user-friendly features. Each dumbbell offers a weight range from 5 to 52.5 pounds, adjustable in 2.5-pound increments up to the first 25 pounds. This versatility makes them suitable for both beginners and seasoned athletes. The standout feature is the dial-a-weight system, allowing users to swiftly change resistance levels without the need for multiple dumbbells cluttering their workout space. This space-saving design is particularly beneficial for those with limited room. The dumbbells are equipped with durable molding around the metal plates, ensuring a smooth and quiet lift-off and return to the base. This not only enhances the user experience but also protects flooring from potential damage. The ergonomic handles provide a comfortable grip, reducing hand fatigue during extended workout sessions. However, it's worth noting that the length of the dumbbells remains constant, regardless of the weight selected. This fixed length can make certain exercises, such as bicep curls or tricep extensions, feel a bit unwieldy, especially for users accustomed to traditional fixed-weight dumbbells. Additionally, while the construction is robust, the presence of plastic components in the adjustment mechanism means users should handle the equipment with care to ensure longevity. Overall, the Bowflex SelectTech 552 Adjustable Dumbbells offer a convenient and efficient solution for diverse strength training routines, combining multiple weight options into a single, compact set.

— David Miller

Rating: 5

NÜOBELL Adjustable Dumbbells 5-80 lbs: The NÜOBELL Adjustable Dumbbells are a testament to modern engineering in fitness equipment, offering a seamless blend of functionality and design. Each dumbbell adjusts from 5 to 80 pounds, providing a comprehensive range suitable for various strength training exercises. The quick-adjust mechanism is particularly impressive; a simple twist of the handle allows users to modify the weight in 5-pound increments, facilitating a swift transition between different exercises and intensity levels. This feature is especially advantageous for circuit training or drop sets, where time is of the essence. One of the most lauded aspects of the NÜOBELL design is its similarity to traditional fixed-weight dumbbells. The balanced weight distribution and compact profile ensure that exercises feel natural, without the awkwardness sometimes associated with bulkier adjustable systems. The knurled steel handles offer a secure and comfortable grip, enhancing control during workouts. However, potential buyers should be aware of the construction materials. While the weight plates are made of steel, the adjustment mechanism incorporates plastic components. This raises concerns about long-term durability, especially under rigorous use. Users are advised to handle the dumbbells with care and avoid dropping them to maintain their functionality. In summary, the NÜOBELL Adjustable Dumbbells provide a versatile and efficient solution for home gyms, combining the feel of traditional dumbbells with the convenience of adjustability.

— Michael Johnson

Rating: 5

Core Fitness Adjustable Dumbbell Weight Set: The Core Fitness Adjustable Dumbbell Weight Set offers a practical solution for those seeking versatility without compromising on space. Each dumbbell adjusts from 5 to 50 pounds, effectively replacing an entire rack of traditional dumbbells. The adjustment process is straightforward: a twist of the handle changes the weight in 5-pound increments, allowing for quick transitions between exercises. This intuitive design minimizes downtime during workouts, enabling users to maintain their rhythm and intensity. The dumbbells come with a lightweight aluminum cradle, ensuring secure storage and easy access. The compact design not only saves space but also enhances the aesthetic appeal of a home gym setup. The handles are ergonomically designed with a soft-grip coating, providing comfort and reducing strain during extended use. Despite its many advantages, the Core Fitness Adjustable Dumbbell set has a maximum weight limit of 50 pounds per dumbbell, which may not suffice for advanced lifters seeking heavier resistance. Additionally, while the adjustment mechanism is convenient, it relies on internal components that could wear over time. Users are encouraged to operate the equipment with care to ensure its longevity. Overall, the Core Fitness Adjustable Dumbbell Weight Set is an excellent choice for individuals seeking a balance between functionality, design, and space efficiency in their strength training equipment.

— Michael Johnson

Rating: 4.9

FEIERDUN Adjustable Dumbbells, 20lbs Free Weight Set: The FEIERDUN Adjustable Dumbbells are designed with adaptability and durability in mind, catering to a wide range of fitness enthusiasts. Each dumbbell offers adjustable weights, allowing users to customize their training intensity. The construction features sturdy iron plates and a robust connector, ensuring the equipment withstands the demands of intense workouts over time. One of the notable features of this set is its multifunctionality. The dumbbells can be transformed into a barbell using the included connector, providing additional exercise options without the need for separate equipment. This versatility is particularly beneficial for home gyms with limited space and budget constraints. The handles are designed with a non-slip texture, enhancing grip and safety during workouts. However, the adjustment process involves manually adding or removing weight plates and securing them with spin-lock collars. This method, while secure, can be time-consuming compared to other adjustable dumbbell systems with rapid adjustment mechanisms. Users seeking quick transitions between different weights might find this setup less convenient. Additionally, the maximum weight capacity may be limiting for advanced lifters aiming for higher resistance levels. In conclusion, the FEIERDUN Adjustable Dumbbells offer a durable and versatile solution for those looking to diversify their strength training routines, with the added benefit of converting into a barbell for expanded exercise possibilities.

— William Brown

Rating: 4.7

UNNMIIY Adjustable Dumbbells, 10/25/35/55/70/90lbs Free Weight Set: The UNNMIIY Adjustable Dumbbells are a solid choice for those looking to invest in an adaptable and space-saving strength training solution. Available in multiple weight options ranging from 10 to 90 pounds, this set caters to users of various fitness levels. The adjustment process is straightforward, utilizing a secure locking mechanism that ensures stability during workouts. The compact design helps optimize space efficiency, making it an excellent option for home gyms with limited room. The build quality is commendable, featuring durable steel plates that withstand consistent use without compromising performance. Additionally, the ergonomic handle provides a firm and comfortable grip, reducing the likelihood of hand fatigue during high-repetition exercises. However, as with many adjustable dumbbells, the presence of plastic components in the adjustment mechanism raises concerns about long-term durability. Careful handling and avoiding excessive impact can help prolong the lifespan of the set. Another potential drawback is the slightly larger size of the dumbbells compared to fixed-weight versions, which may take some time to get used to, particularly for exercises that require a close grip. Overall, the UNNMIIY Adjustable Dumbbells offer an effective and versatile solution for those looking to expand their home strength training options without committing to a full rack of traditional weights.

— William Brown