Adjustable dumbbells consist of a set of weight plates, a barbell, and a locking mechanism.
Depending on the type, you can add or remove weight plates from the barbell and secure them with a locking system.
This feature provides a quick way to change weights, allowing for a wide variety of exercises and tailoring to an individual's fitness level.
They come in a variety of mechanisms, each with unique features that cater to different preferences and needs. Here are some of the most common types:
Handle Twist
Handle Twist dumbbells use a twist mechanism at the handles, allowing you to select the desired weight and then remove it from the dumbbell rack.
This mechanism is our top pick for the best adjustable dumbbell guide system.
Pros: Quick to adjust, easy to use, space-saving.
Cons: Limited weight range, may wear out over time if not maintained.
Spinlock
Spinlock dumbbells come with threaded handles and weight plates that are secured with a swivel ring or nut. If you're looking for cheap adjustable dumbbells, these may be your best choice.
Pros: Highly customizable, compatible with a wide range of weight plates, affordable.
Cons: Changing weights is time consuming, collars can come loose during a workout if not tightened correctly.
Olympic
These are made to Olympic weightlifting standards, using 2-inch diameter holes on the weight plates and weight rings.
If you already own a variety of Olympic weightlifting plates and want a budget-friendly option, these are a good choice. But we recommend buying a good set of clamping rings instead of spring rings, as this will allow for quicker weight changes.
Pros: Sturdy construction, wide compatibility with Olympic plates, professional feel.
Cons: Larger sizes, can be more expensive, not as quick to adjust as other types.
Turning dial
Similar to a dial system, turning dial dumbbells allow weights to be selected by turning the dial to the desired setting and removing it from the storage tray.
Pros: Quick weight changes, sleek design, great for circuit training.
Cons: Can be limited in incremental adjustments, usually costly, and large in size.
Sliding pins
With sliding pin adjustable dumbbells, a pin slides into place to select the desired weight. The mechanism usually involves linear grooves or slots to guide the pins. This type is most common in PowerBlock dumbbells.
Pros: Quick weight selection, secure locking mechanism, suitable for a variety of fitness levels.
Cons: Can get stuck if not aligned correctly, and limited to predefined weight increments.
Digital
Digital dumbbells are integrated with an electronic system, and weights can be adjusted through a digital interface or app.
Pros: Futuristic design, syncs with digital workout routines.
Cons: Reliance on electrical components, can be expensive, may require regular software updates.
We haven't had a chance to try out digital dumbbells yet. But the lack of options on the market leads us to believe that they are more of a gimmick than a practical item.