40kg Adjustable Dumbbells Pair
- Up to 40KGPer Dumbbell
- 17 Weight SettingsFor Every Workout
- Dial AdjustmentChange In Seconds
- Space SavingCompact Design
- Adjustable weight range - 5kg to 40kg per dumbbell
- Quick dial system - change weights instantly
- All-in-one space-saving design - replaces multiple pairs
- Ergonomic knurled handle with secure locking
- 17 weight settings for full strength and conditioning
- 12-month
warranty - 30-day
returns - UK-based
support - 50,000+
athletes
Overview
40kg Adjustable Dumbbells Pair Professional Heavy-Duty Strength Training Equipment
Elevate your strength training with the MuscleIQ 40kg Adjustable Dumbbells Pair - engineered for serious athletes and fitness enthusiasts who demand professional-grade performance. These heavy-duty adjustable dumbbells feature 17 weight settings from 5kg to 40kg per dumbbell, delivering an impressive 80kg total weight capacity for advanced strength training, muscle building, and powerlifting routines.
Built with commercial-quality steel construction and precision engineering, these space-saving dumbbells replace an entire rack of traditional weights. The quick-select adjustment system allows instant weight changes between sets, perfect for high-intensity workouts, progressive overload training, and achieving your fitness goals faster.
Replaces an entire rack of dumbbells and keeps your workout area tidy.
One smart investment instead of buying multiple dumbbell pairs.
Change the weight in seconds with the smooth quick-select system.
Perfect for supersets and circuit training to maximise your results.
Features that
Perform
01
17 in 1
17 weight selections in 1, with its compact design take away the space used for 17 sets of other weights
02
Quick adjust
With the turn of the dial, change weights in seconds
03
Storage base
Each dumbbell comes with its own base that allows you to store them in and change the weight
Range
Replaces multiple weights
- 5kg
- 7kg
- 9kg
- 11kg
- 13kg
- 15kg
- 18kg
- 20kg
- 22kg
- 25kg
- 27kg
- 29kg
- 32kg
- 34kg
- 36kg
- 38kg
- 40kg
Training
How to use
Train every major muscle group with this versatile adjustable dumbbells pair:
- Chest & Triceps: Perform dumbbell fly exercises and chest press variations to build chest development and upper-body pushing strength.
- Back & Posture: Use dumbbell rows to strengthen the back, improve posture, and enhance control and stability.
- Legs & Glutes: Perform lunges and lower-body movements to increase strength, balance, and power.
- Arms & Shoulders: Include shoulder workouts and arm exercises to improve tone, muscle definition, and upper-body strength.
- Full-Body Strength: Adjust the load for compound or isolation exercises—ideal for heavy lifters, home gym owners, and athletes wanting flexibility, control, and complete strength training from their 40kg adjustable dumbbells.
Included
What's in the box
- 2×Adjustable Dumbbells
- 2×Storage Trays
- 1×Instruction Manual
Specifications
Tech specs
| Product Type | Adjustable Dumbbells Pair |
|---|---|
| Brand | Muscleiq |
| Maximum Weight | 40kg Per Dumbbell |
| Total Weight | 80kg Pair |
| Weight Range | 5kg to 40kg |
| Weight Settings | 17 Adjustable Settings |
| Adjustment System | Quick Dial Mechanism |
| Material | Steel / Nylon / Polypropylene |
| Handle Type | Ergonomic Non-Slip Grip |
| Colour | Black |
| Storage Tray | Yes |
| Suitable For | Home Gyms and Garage Gyms |
| Assembly Required | No |
| Warranty | 1 Year Warranty Included |
| Delivery | Free UK Delivery |
Sizes
Dimensions
| Length | 45cm |
|---|---|
| Width | 25cm |
| Height | 25cm |
| Weight Per Dumbbell | Up To 40kg |
| Total Pair Weight | 80kg |
Build
Material and build quality
Built with high quality steel, nylon and polypropylene for long lasting performance.
Anti-slip knurling provides a safe, confident grip through every lift.
Precision dial mechanism ensures plates are locked in securely during use.
Compare
Why Choose MuscleIQ Adjustable Dumbbells?
| Feature | Muscle IQ | Standard Dumbbells |
|---|---|---|
| Adjustable Weight | Yes | No |
| Space Saving | Yes | No |
| Quick Adjustment | Yes | No |
| Durable Build | Yes | Varies |
| Value For Money | ★★★★★ | ★★★★★ |
Who it's for
Ideal for
- Strength Training
- Heavy Lifting
- Muscle Building
- Functional Fitness
- Hypertrophy Training
- Weight Loss
- Home Workouts
- Progressive Overload
- Home Gyms
- Garage Gyms
- Personal Trainers
Benefits
Why choose this product?
The 40kg Adjustable Dumbbells Pair delivers the power and range needed for serious full-body workouts. Each dumbbell quickly adjusts from 5kg up to 40kg with 17 weight settings, allowing seamless transitions between exercises without the need for multiple weight sets. Whether you are training chest, back, shoulders, arms or legs, this pair gives you all the versatility of a professional setup in one compact system.
Change weights in seconds for smooth exercise transitions.
Replaces multiple dumbbell pairs in one compact set.
Reliable locking system keeps plates safe during every lift.
Compact and ideal for any home or studio gym.
Reviews
Reviews
5.0
FAQs
Questions, answered
Can't see your question? Email support@muscleiq.co.uk or call +44 7365 727908.
What weight range does the 40kg pair cover? +
Are these sold as a pair? +
How do I change the weight? +
Are these suitable for beginners? +
What exercises can I do? +
Do they save space? +
How quickly can I change the weight? +
Are they durable? +
What is the total weight of the pair? +
Is there a warranty? +
Do you offer returns? +
Are these suitable for a home gym? +
Good to know
Delivery and returns
Orders placed by 1pm on working days are dispatched the same day. Delivery is free to all UK addresses, including Northern Ireland, the Highlands and the islands. Most UK mainland orders arrive the next working day; some remote postcodes take longer.
Changed your mind? You can return items within 30 days of delivery. A 10% restocking fee applies. See our shipping policy and refund policy.
Free guides & tools
Plan it right
Will a rack fit my room?
Enter your ceiling and rack height.You gete.g. 27cm clearance, pull-ups OKRack calculator
How much flooring do I need?
Enter your room size.You gete.g. 14 tiles for a 4 × 3m roomFlooring calculator
What weight should I start with?
Pick your level, goal and exercise.You gete.g. 6–12kg per dumbbellWeight guide
Planning a full gym?
Pick a rack, attachments and a bench.You getYour full setup and priceGym builder