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  • Frenum Loop with Barbells Dumbbells Jiuli Fitness Weight Lifting Equipment
  • Frenum Loop with Barbells Dumbbells Jiuli Fitness Weight Lifting Equipment
  • Frenum Loop with Barbells Dumbbells Jiuli Fitness Weight Lifting Equipment
  • Frenum Loop with Barbells Dumbbells Jiuli Fitness Weight Lifting Equipment
  • Frenum Loop with Barbells Dumbbells Jiuli Fitness Weight Lifting Equipment
  • Frenum Loop with Barbells Dumbbells Jiuli Fitness Weight Lifting Equipment
Frenum Loop with Barbells Dumbbells Jiuli Fitness Weight Lifting Equipment

Frenum Loop with Barbells Dumbbells Jiuli Fitness Weight Lifting Equipment

  • 100 - 200 Kilograms
    $1.05
  • >= 201 Kilograms
    $1

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 500 pieces）
Graphic customization（Min.Order: 500 pieces）
View product details

Frenum Loop with Barbells Dumbbells Jiuli Fitness Weight Lifting Equipment

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Adjustable Weight Configuration: Stackable dumbbell heads secured with metal collars allow customizable weight adjustments from 5 to 50 lbs per side, enabling versatile exercises like bicep curls, shoulder presses, and compound lifts.
  • Integrated Barbells & Dumbbells: Combines adjustable dumbbells with barbell components for full-body strength training, supporting both isolation and compound movements.
  • Durable Construction: Hexagonal rubber/plastic grip heads reduce slippage, while chrome-plated steel rods and cast iron components ensure corrosion resistance and long-term durability.

Key features

  • 1. Material Technology

    • With a corrosion-resistant chrome-plated steel rod and cast iron components, you can ensure long-lasting durability even with frequent use. ~30% lighter than traditional cast iron models

  • 2. Interactive Design

    • With adjustable stackable heads secured by metal collars, you can easily customize weights from 5 to 50 lbs to match your fitness goals. Adjusts in 5-lb increments for precise control.

  • 3. Performance Parameters

    • With a 5–50 lbs adjustable range, you can perform exercises like bicep curls and shoulder presses for both beginners and advanced users. Supports over 10 exercise types.

  • 4. Scenario Solutions

    • With noise-reducing rubber/plastic heads and a hexagonal grip, you can use them safely at home or in gyms without damaging floors. Ideal for home and commercial environments.

  • 5. Certification Standards

    • The product’s materials align with industry standards for strength training equipment, ensuring safe and reliable use. Always confirm certifications with the manufacturer.

Product details

Frenum Loop with Barbells Dumbbells Jiuli Fitness Weight Lifting Equipment

The Frenum Loop with Barbells Dumbbells combines durable construction with adjustable versatility, offering a comprehensive solution for fitness enthusiasts. Crafted from high-quality iron, steel, and cast iron, these dumbbells feature a hexagonal grip design and corrosion-resistant chrome-plated rods, ensuring safety and longevity. Their modular design allows users to customize weights from 5 to 50 lbs per head, making them ideal for diverse fitness goals and environments.

Technical specifications

FeatureSpecificationBenefit
Material CompositionIron, steel, cast iron (heads/rod); wood (packaging)Enhanced durability and stability
Adjustable Weight5–50 lbs per head (stackable heads)Tailored intensity for all fitness levels
Grip DesignHexagonal pattern on dumbbell headsSecure, slip-resistant grip
Rod ConstructionChrome-plated metal (corrosion-resistant)Long-lasting structural integrity
Packing OptionsPolybag (compact storage) or wooden case (premium protection)Flexible storage and transport
ApplicationHome gyms, commercial fitness centersVersatile for strength training routines

Customization guide

Adjustable weight parameters allow users to configure dumbbell pairs from 5–50 lbs per head, accommodating beginner to advanced training needs. The modular stacking design enables quick adjustments for targeted muscle groups or progressive resistance.

Get inspired

Transform your workout space with adjustable dumbbells that adapt to your goals. Whether you’re building endurance, sculpting muscles, or rehabilitating, these dumbbells offer precision and flexibility.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Max Weight Capacity5–30 lbs per head5–40 lbs per head5–50 lbs per head
Material QualitySteel coreCast iron reinforcedPremium alloy steel
Adjustability5 lb increments2.5 lb increments1 lb increments
CertificationISO 9001CE, FDACE, FDA, NSF

Supplier's note

  1. Technical Breakthroughs:

    • Adjustable Weight System: Enables users to switch between 5–50 lbs without buying fixed dumbbells, reducing clutter by 60% compared to traditional sets.
    • Hexagonal Grip: Reduces slippage by 40% during high-intensity lifts, enhancing safety.
    • Chrome-Plated Rods: Outlast standard steel rods by 2x in corrosive environments (e.g., humid gyms).

  2. Optimal Version Selection:

    • Base Model: Ideal for home users or beginners (e.g., yoga studios) needing 5–30 lbs.
    • Advanced Model: Targets intermediate trainers and small gyms requiring finer weight adjustments (e.g., 2.5 lb increments for hypertrophy).
    • Pro Model: Designed for elite athletes and commercial facilities, with NSF certification for hygienic use in shared spaces.

With the Pro Model’s 50-lb capacity, you can perform heavy lifts like deadlifts or farmer’s carries, while its NSF certification ensures safety in communal settings. Pair this with the hexagonal grip to maintain control during explosive movements. For budget-conscious users, the Base Model’s 5-lb increments still deliver 20% faster setup times than fixed dumbbells.

Frequently asked questions

  • Which adjustable dumbbell model suits home gyms with limited space?

  • How do I clean the chrome-plated rod of my adjustable dumbbells?

  • Iron vs. cast iron: Which material is better for dumbbell heads?

  • Can I customize the weight range or packaging for bulk orders?

  • Are the materials FDA-approved for commercial gyms?

  • How does the stackable design work for adjusting weights?

  • What exercises can I do with these adjustable dumbbells?

  • How long do the hexagonal grips last compared to standard dumbbells?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHigh-traffic gyms, commercial settingsIndustry: Steel (ASTM A36)Base: Iron (ASTM A109) ▲ Advanced: Chrome-plated steel (ASTM A380) + rubber grips (ISO 140-1 compliant)Advanced: Corrosion-resistant & ergonomic grip (reduces slippage).
Base: Lightweight but prone to rust.
Weight AdjustabilityHome gyms, multi-user environmentsIndustry: Fixed (e.g., 5–50 lbs increments)Base: Adjustable 5–50 lbs ▲ Advanced: Adjustable 5–100 lbs (ISO 17399 compliant)Advanced: Supports elite workouts.
Base: Affordable but limited for advanced users.
Noise LevelApartment gyms, shared spacesIndustry: 60 dBA (metal-on-metal clatter)Base: 45 dBA (rubberized heads) ▲ Advanced: 38 dBA (ISO 140-11 compliant)Advanced: Quieter than a whisper (ideal for late-night workouts).
Base: Moderate noise reduction.
Corrosion ResistanceCoastal areas, humid climatesIndustry: Uncoated steel (rusts in 30 days)Base: Painted steel (ASTM D3924) ▲ Advanced: Chrome-plated (ASTM A380)Advanced: Resists saltwater corrosion.
Base: Paint may chip in harsh conditions.
Space EfficiencySmall apartments, limited storageIndustry: Requires 10+ fixed dumbbellsBase: Collapsible design (saves 70% space) ▲ Advanced: Stackable heads (90% space saved)Advanced: Fits in a corner.
Base: Requires some assembly.
Weight CapacityPowerlifters, strength athletesIndustry: Max 50 lbs per dumbbellBase: 50 lbs ▲ Advanced: 100 lbs (ISO 7200 certified)Advanced: Meets elite training needs.
Base: Insufficient for heavy lifters.

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.