Roburflex
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Adjustable Dumbbell (Single) 5-40/80lb, 5lb Increments, for Home Gym Fitness - Upto 20 weight settings
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Adjustable Dumbbell (Single) 5-40/80lb, 5lb Increments, for Home Gym Fitness - Upto 20 weight settings
Enjoy fast adjustment and gain better training efficiency.
Adjustable Dumbbell (Single) 5-40/80lb, 5lb Increments, for Home Gym Fitness - Upto 20 weight settings
Item #: 222555714

Adjustable Dumbbell (Single) 5-40/80lb, 5lb Increments, for Home Gym Fitness - Upto 20 weight settings

86% of respondents would recommend this to a friend

Item #: 222555714

LKR 134508

Price Details

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Order now and get it around Thursday, September 24
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What Stands Out

Versatile Weight Range
Adjustable from 5 to 40/80 lbs, offering substantial weight variations to accommodate all fitness levels, ensuring a perfect fit for beginners or advanced users seeking progressive training.
Compact Design
Space-saving design ideal for home gyms. Eliminates the need for multiple dumbbells, allowing users to maximize workout efficiency without clutter.
Quick Adjustments
Easy-to-use adjustment system allows for rapid weight changes in 5 lb increments, ensuring smooth transitions between exercises for uninterrupted workout routines.

Product Details

Shop Adjustable Dumbbell (Single) 5-40/80lb, 5lb Increments, for Home Gym Fitness - Upto 20 weight settings online at a best price in Sri Lanka. B0F18RLBCC
Brand NameRoburflex
Set NamePair
Unit Count1 Count
Number of Items1
Global Trade Identification Number00850032194327
ManufacturerKrato Fitness
Model NumberRF-AD
Part NumberRF-AD
Item Weight80 pounds (36.29 kg)
Item Dimensions L x W21"L x 7"W (53.3 cm)
Number of Pieces1
ColorWHITE - 80LB
StyleAdjustable
MaterialCast Iron
Handle MaterialCast Iron
Other Special Features of the ProductAdjustable Weight
Target Use Body PartWhole Body
BrandRoburflex
Special FeatureAdjustable Weight

Who Should Buy?

Suitable For
  • Home Gym Enthusiasts

    Ideal for individuals creating a flexible and versatile home gym setup with varied weight options.

  • Beginners

    Perfect for newcomers to strength training, allowing gradual increases in weight as fitness levels improve.

  • Space-Savers

    Great for users with limited space, consolidating multiple weights into one adjustable dumbbell.

Not Suitable For
  • Professional Athletes

    May not meet the heavy lifting requirements for professional athletes needing specialized, heavier weights.

Product Description

Adjustable Dumbbell (Single) 5-40/80lb, 5lb Increments, for Home Gym Fitness - Upto 20 weight settings

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the benefits of using the Adjustable Dumbbell Single by ROBURFLEX?

    Answer: The Adjustable Dumbbell Single by ROBURFLEX is designed to enhance your workout by offering a wide range of weights in a compact form. This allows for versatile strength training sessions, enabling you to perform various exercises, from bicep curls to squats. Its adjustable weight system lets you easily increase or decrease resistance as your strength improves, thus catering to all fitness levels. Perfect for home gyms, this dumbbell encourages consistency in your workouts, ultimately aiding in achieving fitness goals.
  • Question: How does the adjusting mechanism of the dumbbell work?

    Answer: The Adjustable Dumbbell Single features a user-friendly adjusting mechanism that allows you to switch weights smoothly. By simply rotating the dial or pulling a lever, you can select your desired weight, making it convenient for circuit training or quick weight changes. This design minimizes downtime between sets, maximizing your workout efficiency. For instance, you can transition seamlessly from a heavy bench press to lighter shoulder raises without requiring multiple dumbbells.
  • Question: Is the Adjustable Dumbbell suitable for beginners?

    Answer: Yes, the Adjustable Dumbbell by ROBURFLEX is highly suitable for beginners. It allows new users to start with lighter weights and gradually increase to heavier loads as they build strength and confidence. This progressive approach aids in developing proper form and minimizing injury risk. Additionally, the versatility of the dumbbell means beginners can perform a variety of exercises that target different muscle groups, making their fitness journey more engaging and effective.
  • Question: What materials are used in the Adjustable Dumbbell?

    Answer: The Adjustable Dumbbell Single by ROBURFLEX is constructed using high-quality, durable materials designed to withstand rigorous workouts. The plates are typically made from a mix of robust metal and high-density plastic, ensuring longevity while being resistant to wear and tear. This solid construction not only enhances safety during workouts but also contributes to a smoother adjusting mechanism, reflecting the importance of quality in fitness equipment.
  • Question: Can the dumbbell be used for a variety of workouts?

    Answer: Absolutely! The Adjustable Dumbbell Single is ideal for a multitude of workouts, including strength training, functional fitness, and rehabilitation exercises. Whether you're performing isolation exercises like tricep extensions or compound movements like deadlifts, this dumbbell accommodates all. Its adaptability empowers users to diversify their routines, target different muscle groups effectively, and maintain fitness engagement over time.
  • Question: Does the Adjustable Dumbbell require a lot of space?

    Answer: No, the Adjustable Dumbbell Single by ROBURFLEX is designed for efficiency and space-saving, making it perfect for home gyms. Instead of needing multiple dumbbells that occupy significant space, this single adjustable unit consolidates weight into one piece. It can be easily stored under a bed or in a closet, allowing you to maintain a tidy workout area. For small apartments or home gyms, this feature is invaluable in keeping your space organized.
  • Question: How do I maintain the Adjustable Dumbbell?

    Answer: Maintaining the Adjustable Dumbbell Single involves straightforward care practices that ensure longevity and functionality. Regularly check for loose parts and tighten connections as needed. Wipe down the rubber grip handles with a damp cloth to remove sweat and prevent slippage. Storing it in a safe, dry place will also help avoid any moisture damage. These simple maintenance tips will keep your dumbbell in optimal working condition for the long term.
  • Question: What exercises can I perform with the Adjustable Dumbbell?

    Answer: With the Adjustable Dumbbell Single by ROBURFLEX, you can perform a wide range of exercises, including but not limited to, bicep curls, shoulder presses, lunges, squats, and even core workouts like Russian twists. The dumbbell's adjustability allows you to tailor resistance for different exercises, whether you're focusing on strength building or endurance training. This versatility is ideal for crafting varied workout routines that engage multiple muscle groups.
  • Question: What is the maximum weight capacity of the dumbbell?

    Answer: The maximum weight capacity of the Adjustable Dumbbell Single by ROBURFLEX is tailored to meet various training needs. While exact figures may vary, most units comfortably accommodate a wide range, typically catering to both novice and advanced users alike. This means you can start from lighter weights and challenge yourself with heavier loads as you progress in your fitness journey, making it a sustainable choice for ongoing strength growth.
  • Question: Where can I buy the Adjustable Dumbbell Single by ROBURFLEX?

    Answer: You can purchase the Adjustable Dumbbell Single by ROBURFLEX at Ubuy in Sri Lanka. Ubuy offers a wide selection of fitness equipment, including this versatile dumbbell, ensuring you have access to quality products for your home gym. By choosing Ubuy, you will benefit from a smooth shopping experience, helping you efficiently find the fitness gear that meets your needs.

Roburflex Dumbbells RF-AD Editorial Review

The ROBURFLEX adjustable dumbbell, which ranges from 5-40/80 lbs with increments of 5 lbs, has been well-received by customers who prioritize both space-saving and functionality in their home fitness routines. Many reviewers emphasize that the seamless adjustment feature is a standout quality, allowing for quick weight changes that accommodate various exercises without interrupting their workout flow. The overall build quality is praised for its durability and solid feel, with users commenting on the comfortable, non-slip grip that enhances the experience during intense sessions. From bicep curls to shoulder presses, customers report a reliable performance across multiple exercises, making it a versatile addition to any home gym setup. While the majority of feedback leans positive, there are notable concerns about mechanical issues. Some users encountered difficulties with the adjustment mechanism, citing problems with aligning weights and parts getting stuck. Additionally, a few customers experienced issues with replacement handles and customer service. However, many indicated a positive interaction with customer support, appreciating their responsiveness in providing replacement parts swiftly. Overall, the ROBURFLEX adjustable dumbbell appears to be an effective tool for both beginners and experienced lifters looking for convenience, functionality, and a solid contribution to their at-home fitness experience, despite some mechanical challenges reported by a minority. **

Customer Reviews & Ratings

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Pros

  • Smooth and quick weight adjustment
  • Durable and solid build quality
  • Comfortable non-slip grip
  • Versatile for various exercises

Cons

  • Difficulty aligning weights reported by a few

Platform Trust & Buyer Confidence

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4.2/5 9477 reviews
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Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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LKR 134508

Order now and get it around Thursday, September 24

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Adjustable length for a wider range of arm movement.
  • Fast one-hand weight adjustment for efficiency.
  • Durable construction with 95% cast iron plates.
  • Vibrant colors with a matte finish, suitable for any home décor.
  • Sold as a single dumbbell, pair recommended for optimal use.
  • Ideal for strength training and fitness at home.

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