Zacoo 4-in-1 Adjustable Dumbbell Set with Barbell Connector and Kettlebell Handle
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The Zacoo 4-in-1 is a plate-loaded home weight system that converts between dumbbells, a barbell, a kettlebell and push-up stands using the same plates and bars. Plates are PE or ABS shells filled with iron sand, which keeps noise and floor damage down compared with solid cast iron, and their octagonal shape stops them rolling between sets. It suits beginners and home lifters who want several training styles in one compact kit rather than a rack of fixed dumbbells. Against selectorized dumbbells it trades fast dial changes for more setup work, and the sand fill means the plates are bulkier for the same load.
Availability unknown
Lowest price we've seen: $50.56 on Nov 3 at Walmart. Tracked across 1 store since Nov 3.
This 4-in-1 adjustable weight set works as dumbbells, a barbell, a kettlebell and push-up stands. It comes in 44 lb, 66 lb and 88 lb versions. Each includes weight plates, two dumbbell bars, a barbell connector, a kettlebell rod, push-up handles and circlips.
The weight plates have durable PE or ABS shells filled with iron sand. This helps reduce noise and protect floors during workouts. The plates are octagonal, so they don't roll.
The handles are textured and ergonomic for a secure, anti-slip grip. The setup can be changed without tools, so you can switch quickly between exercises such as strength training, functional fitness and HIIT. The compact design suits small spaces.



