PowerBlock adjustable dumbbells are an ultra-sturdy set designed for lasting performance, perfect for executing heavy-duty moves like dead stop rows, Romanian deadlifts, and heavy presses. With a length of just 12 inches (including a storage stand), these dumbbells offer decent compactness and versatility.
The Pro 50 Adjustable Dumbbells cover a weight range from 5 to 50 pounds per bell, with adjustments possible in increments of 2.5 pounds. This weight range suits beginners well, and more experienced lifters can expand the weight by opting for additional expansion kits. For those who find 50 pounds per dumbbell insufficient, PowerBlock offers heavier models such as the Elite USA (up to 90 pounds per dumbbell) or the Pro 100 EXP (up to 100 pounds per dumbbell). All models of adjustable dumbbells by the brand feature the same pin-and-lock adjustment mechanism, which is easy to use and avoids jamming issues found in some other systems.
In his testing, Howell pointed out the compact structure of the actual dumbbell, noting the plate-like weights that are more like weighted frames than traditional circular structures. Howell found this design “genius”, as the square nature of the dumbbell makes it easy to lay down once done using it without it rolling away or requiring a rack to rest it in. He also appreciated that they arrived assembled and were fairly easy to unpack and begin using.
However, Howell expressed concerns about the durability of certain components, such as the handles and the “clip” that allows you to lock your chosen weight in, which are made of plastic. He believes these dumbbells might not be robust enough for consistent use, particularly for hardcore gym-goers.
Despite these concerns, Samuel praises their adjustability and durability, stating, “I’ve never encountered a more durable adjustable dumbbell. I love them for farmer’s walks, heavy DB lunges, and thrusters, and rely on them anytime I do a metcon-style workout at home.” He’s dropped these from three or four feet up after tough sets of presses, “and they hold up just fine.” (Although it’s not advisable to make a habit of dropping any adjustable dumbbells regularly.)
These dumbbells offer a comfortable grip and knurled handles that enhance grip during workouts. However, they do not provide the same weight distribution as traditional bells, as Samuel points out, “If you’re looking to use a set of adjustable movements for plenty of accessory movements, go with something more dumbbell-shaped.”
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