quick transitions
Switch weights with a quick turn of the handle, with no plates to change or parts to rebuild. Ideal for drop sets, supersets and fast circuits, so you keep your pace and focus on performance.
40kg Adjustable Dumbbell Pair – Space-Saving Strength with 4kg Increments
All the weight you need in just one pair – go from 5kg to 40kg at the twist of a dial.
Product Overview
These 40kg Adjustable Dumbbells feature a smart 9-in-1 design with 4kg increments, making them a powerful addition to any home gym. The compact nesting mechanism eliminates the need for multiple dumbbell sets, saving space while offering serious training versatility. With smooth dial adjustment and ergonomic grips, you can transition between lifts with speed and confidence.
Key Features
9-in-1 adjustable weights
4kg increments from 5kg to 40kg (5, 10, 14, 18, 23, 27, 32, 36, 40) cover warm-ups through heavy sets.
Quick twist-dial switching
Simple one-motion adjustment keeps your workout flow moving between exercises
Compact, space-saving design
Replaces 9 traditional dumbbells per hand, ideal for smaller home gyms and tight storage spaces
Comfortable and durable build
Ergonomic grip suits all hand sizes, with long-lasting construction for everyday training
Benefits
Smooth weight changes
Move between loads quickly, keeping your sets and supersets uninterrupted.
Built for progression and circuits
Ideal for progressive overload, drop sets, and fast-paced circuit training.
Suited to any training level
Works well for beginners learning form and experienced lifters pushing intensity.
Space-saving, premium look
No need for multiple racks or extra floor space, with a clean, modern, professional-grade finish.
How to use
Train your full body with these adjustable dumbbells using simple, effective movements:
- Biceps: Bicep curls to build arm strength and improve grip control.
- Shoulders: Lateral raises to isolate the side delts for wider, more defined shoulders.
- Chest: Chest press to develop upper-body pushing strength and muscle.
- Triceps: Overhead tricep extensions to target the back of the arms and support stronger presses.
- Legs: Goblet squats to build quads and glutes while keeping your torso upright and stable.
- Back & core: Renegade rows to train the upper back while challenging core stability and control.
Product Specifications
What's Included
| 2x Adjustable Dumbbells | Adjustable dumbbells with a 5kg–40kg range in 4kg increments for versatile full-body strength training |
| 2x Storage Bases | Storage bases included for safe, organised storage and easy access for weight changes |
Technical Specifications
| Weight range (per dumbbell) | 5kg – 40kg |
| Weight increments | 4kg |
| Total set weight | 80kg (2 x 40kg) |
| Dimensions (per dumbbell) | 43cm (L) × 19cm (W) × 19cm (H) |
| Included accessories | 2 x storage bases |
Shipping & Returns
Shipping
At Muscleiq, we aim to deliver your orders quickly and efficiently:
- Processing Time: Orders placed before 1 PM are processed and dispatched the same business day (excluding weekends and bank holidays).
- Delivery Time: Most orders are delivered within 1 business day for UK mainland addresses.
- Shipping Cost: Free shipping is available across the UK.
For detailed information, kindly refer to our Shipping Policy.
Returns & Refunds
At Muscleiq we want you to be satisfied with your order but we understand people sometimes change their mind.
- If you would like to request a refund or exchange, please contact us within 30 days of receiving your order.
- If you have any queries, please kindly reach out to our customer service or refer to our Returns & Refunds Policy.
Warranty
- We offer on all of our products a standard 12 month warranty.
- If you have any queries, please kindly reach out to our customer service or refer to our Returns & Refunds Policy.
Frequently bought together
KEY FEATURES
Premium Quality
Crafted from the finest materials for exceptional durability.
Ergonomic Design
Designed for comfort and optimal performance
Versatile Use
Perfect for various applications and settings
Features That Perform
9 in 1
With an adjustable range from 5kg to 40kg, this system replaces a full rack of dumbbells, saving space and money. Whether your goal is strength, endurance or muscle growth, it adjusts easily to suit any workout and level.
Lock-and-go safety mechanism
Once lifted from the base, the plates lock securely in place, with no loose parts during use and better safety for high intensity training.
quick transitions
Switch weights with a quick turn of the handle, with no plates to change or parts to rebuild. Ideal for drop sets, supersets and fast circuits, so you keep your pace and focus on performance.
9 in 1
With an adjustable range from 5kg to 40kg, this system replaces a full rack of dumbbells, saving space and money. Whether your goal is strength, endurance or muscle growth, it adjusts easily to suit any workout and level.
Lock-and-go safety mechanism
Once lifted from the base, the plates lock securely in place, with no loose parts during use and better safety for high intensity training.
Best Sellers
Shop All
Frequently Asked Questions
Can't see your question here?
Ask Us HereWe offer a wide range of premium, heavy-duty gym equipment and accessories designed for home and professional training environments.
Yes, we ship to all locations across the UK.
Delivery typically takes 1 business days.
Yes, our equipment is designed for both home and professional environments.
Some equipment requires assembly. Detailed instructions are included.
- Choosing a selection results in a full page refresh.
- Opens in a new window.