Adjustable Dumbbells

* Illustrative image for reference only. Actual product appearance and specifications may vary by manufacturer.

Strength Training Free Weights

Adjustable Dumbbells

OEM adjustable dumbbells from Chinese manufacturers: 2-in-1 dial or spin-lock designs, cast iron cores with PE or urethane shells, home gym brands.

Weight Range:
2 – 24 kg or 5 – 40 kg options
Adjustment:
Dial / pin / spin-lock mechanisms
Core:
Cast iron plates

Available Suppliers

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Product Overview

Adjustable dumbbells are the centerpiece of the home gym boom, replacing whole racks of fixed weights in a single footprint, and the factories listed here produce them at scale for fitness brands and retail chains. Builds center on cast iron plate cores with dial, pin or spin-lock adjustment, covered by PE or urethane shells in brand colors. Handles are knurled chrome or rubber grips, and mechanisms are cycle-tested for tens of thousands of adjustments. OEM programs cover everything from budget 2-in-1 sets for entry-level retail to premium 24 kg dial systems for D2C brands. Cartons are drop-test packed for e-commerce, and batch load-test reports are issued per production run.

OEM & Customization Capabilities

  • Mechanism Development – dial, pin or spin-lock systems engineered to buyer price points; samples in 10–15 days.
  • Brand Finishing – custom shell colors, logo plates and branded crates or carry trays.
  • E-commerce Packing – drop-tested cartons, assembly-light designs with manuals in buyer languages.

Technical Specifications

Weight Range2 – 24 kg or 5 – 40 kg options
AdjustmentDial / pin / spin-lock mechanisms
CoreCast iron plates
ShellPE or urethane coating options
HandleKnurled chrome or rubber grip
Certification FilesLoad and drop test reports per batch

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