Our Take
The PowerBlock Sport 50 is a selector-style adjustable dumbbell set replacing multiple fixed weights in a single compact unit. Each dumbbell adjusts from 2.3 kg to 22.7 kg across incremental steps. Aimed at home gym users wanting a serious free-weight setup without the space or cost of a full rack, it sits in the premium mid-market segment.
Key Features
Adjusts from 5 lb to 50 lb (approximately 2.3–22.7 kg) per hand in incremental steps
Uses a colour-coded selector pin mechanism to change weight quickly
Square cage-style design keeps the weight compact and close to the hand
Steel selector pins and sturdy polypropylene shell construction
Adder weight system allows fine-tuning between main increments on some configurations
Each dumbbell replaces roughly nine pairs of traditional fixed dumbbells
Our Verdict
Ideal for home gym owners who train across a wide rep and weight range and are short on space. Less suited to advanced lifters who regularly press or curl heavy, or anyone who finds the cage shape uncomfortable. If the budget stretches, the expanded Sport EXP version offers greater long-term headroom.