Quick-Adjust Cast Iron Dumbbell

Description

Premium Adjustable Dumbbell – Fast Weight Change, Durable Cast Iron, Certified Quality

Engineered for convenience and performance, this high-end adjustable dumbbell allows you to switch weights in just one second using a secure twist-lock system. Designed for professionals, beginners, and fitness brands seeking OEM/ODM partnerships.

Key Features:

• Quick Weight Adjustment:

  • 1-second weight change with one-hand twist

  • Enhances workout efficiency and saves time

• Weight Options:

  • 20kg (adjustable in 4kg increments)

  • Also available in 24kg, 32kg, and 36kg models

• Size & Build:

  • Compact size: 40–45 cm length, 20 cm width/height

  • High durability with 95% cast iron plate composition

• Secure Safety System:

  • Double locking mechanism on both handle and base

  • Weight can only be adjusted when docked on the tray

• Design & Versatility:

  • Sleek unibody form with multi-color options: black, red, green

  • Ideal for full-body and isolated strength training

• Application Scenarios:

  • Gym, home, outdoor training environments

  • Suitable for all adult users from beginner to advanced

• OEM & ODM Customization:

  • Branding, packaging, material options, color schemes

  • Logo engraving available on base and handle

• Certifications Available:

  • CE, RoHS, FCC, and other international safety and quality standards