10 Best Bowflex Adjustable Dumbbells 40kg in The UK

Last updated on 08/08/2025

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BRAINGAIN 17-in-1 Adjustable Dumbbells Set 40kg Pair + Stand | Space-Saving Adjustable Weights for Home Gym Workouts | 17 Dumbbells in One | Smart Click Technology | Durable Performance

7% Off

Why We Love It

Train smarter for better results.
Space-saving for home gyms.
Durable and high-quality design.

Main Highlights

WORKOUT SMARTER - Seamlessly switch between multiple weights with BRAINGAIN 24kg and 40kg Adjustable Dumbbells. Perfectly designed and quality tested, these dumbbells ensure the highest level of safety, empowering both beginners and professionals.
17 DUMBBELLS IN ONE - Focus on your form with our advanced locking system that keeps the weights secure. Easily adjust from 5kg to 40kg in precise increments (5kg, 7kg, 9kg, 11kg, 13kg, 15kg, 18kg, 20kg, 22kg, 25kg, 27kg, 29kg, 32kg, 34kg, 36kg, 38kg, 40kg) to suit your training needs.
SAVE SPACE, ACHIEVE MORE - Replace multiple dumbbells with our compact, adjustable set. Designed to stay with you on your fitness journey, these dumbbells adapt as you gain strength and progress, making your home gym more efficient.
ULTMATE DURABILITY - Experience lasting durability and a professional look with our high-quality chrome/black finish. Made from premium cast iron, these smart octagon adjustable dumbbells feature a large non-slip handle for a secure grip, perfect for all your home workout needs.
PERFECT FOR ALL LEVELS - Elevate your home gym with dumbbells ideal for both beginners and experienced weightlifters. The BRAINGAIN stand is easy to set up in under 10 minutes, providing a safe and secure docking station for your dumbbells when not in use.

Strongway® 9-in-1 PAIR 40KG Adjustable Dumbbell Home Fitness Gym Training Weights Lifting Exercise (40KG Adjustable Dumbbells (PAIR))

Why We Love It

Adjusts to nine different weights.
Compact design saves space.
Engineered for safety and stability.

Main Highlights

➤ [2 X 40KG ADJUSTABLE DUMBBELLS] - The Set comes with 2 x 40KG Adjustable Dumbbells. Each 40KG Dumbbell adjusts from 5KG to 40KG (IN 9 SELECTABLE INCRECEMENTS - 5KG, 10KG, 14KG, 18KG, 23KG, 27KG, 32KG, 36KG and 40KG). Each Dumbbell comes with a Storage Tray.
➤ [Save Space and Money] - 9 different selectable weights - You are getting 9 dumbbells in one compact, beautifully designed adjustable dumbbell. Different weights are all available with a quick turn of the handle. No need to purchase an entire set of dumbbells anymore, and no need to worry about where to store all of your weights.
➤ [Safe and Secure Engineering] - For ultimate safety and stability, the dumbbell chassis and plate lock together securely with a robustly engineered plate-locking mechanism, rotatable only once the dumbbell is returned to its dock. The contoured soft grip non-slip handle provides comfortable and secure grip control.
➤ [Storage] - Each Dumbbell comes with a Storage Tray. You have the option of purchasing the set with a Dumbbells Storage Stand.
➤ [Target all Muscles] - Ideal for a series of exercises, with weights to target all muscles group workouts, ranging from small muscle workouts like Rotator Cuff Rotations, to compound exercises like Squats and Deadlifts

NordicTrack 25 kg Select-a-weight Dumbbell Pair, Black

Why We Love It

Versatile with trainer-led workouts.
Thirty dumbbells in one.
Perfect for customizable training.

Main Highlights

Trainer-Led Strength Workouts: Download the iFit app to start your free trial. Discover thousands of trainer-led video workouts on your own tablet or smartphone. Cancel anytime, no commitment required
Replace 30 Dumbbells with 15 weight increments per dumbbell, this compact adjustable dumbbell set delivers the same value as 30 individual dumbbells in a fraction of the space
Smooth Weight Selection System. Easily choose the weight value you want to train with, move up in 2kg or 2.5kg increments for totally customizable training. Choose between 5 and 25 kg
Fitted Storage Trays Included. Store your adjustable dumbbells in custom-molded storage trays when not in use. Each tray is clearly marked with easy-to-read weight identification. Take up less space
Durable Construction. These adjustable dumbbells are crafted from a combination of steel and hardened plastic. Included components: dumbbell, tray. Benefits of having a complete weight set in your home

SNODE AD85 Adjustable Dumbbells - 40kg- Set of 2 Drop Proof dummbbells - Versatile Home Gym Fitness Weights for Professional Strength Training

14% Off

Why We Love It

Perfect for strength training.
Durable cast iron build.
Quick and easy adjustment.

Main Highlights

2 x 40 kg adjustable dumbbell set: sold as a pair with a total adjustable weight range of up to 80 kg. They are sent in four separate parts.
QUICK ADJUSTABLE WEIGHTS - Turn the adjustment ring to get freely selectable weights between 6 and 40kg in seconds without having to buy dozens of dumbbells. The adjustable weights are 6, 10.5, 15, 19.5, 24, 28.5, 33, 40 kg.
PATENTED DESIGN 1M HIGH & 360 DEGREE DROP PROTECTION - All discs with built-in dovetail slots are made of cast iron. The unique cast iron cushion weighs approximately 7kg and supports up to 2 tons of pressure. All these key high quality components ensure the fall protection function of all Dumbbells. Perfect for both home and professional use.
COMPACT DESIGN SPACE SAVING The dimensions of the entire single dumbbell are 18.1 inches length x 6.75 inches width x 6.75 inches height with a handle length of 4.53 inches and a diameter of 1.42 inches.
UNIQUE BUILT-IN HANDLE & FIRST DISC DESIGN: The adjustment is done by the swivel ring, not the handle itself, which ensures that the handle will not wobble during long-term use. The double design of telescopic rod and dovetail groove ensures that the dumbbell discs are connected together to ensure safe training.

SNODE Adjustable Dumbbell Set, 6kg - 40kg, 2 Pieces

13% Off

Why We Love It

Adjustable weight for all levels.
Compact design for easy storage.
Quick adjustments for seamless workouts.

Main Highlights

Adjustable dumbbell 40 kg. They are sent in four packages.
Adjustment range from 6 to 40 kg, which are 6, 10.5, 15, 19.5, 24, 28.5, 33, 40 kg
80 cm drip-proof
cast iron dumbbell, Easy Weight Adjustment: The intuitive weight selection system enables quick and seamless weight changes between sets.
Versatile Dumbbell Set: This set offers a range of weight options from 6kg to 40kg, suitable for diverse fitness levels and strength training goals.
Compact Design: Each dumbbell consists of two weight pieces and a handle, allowing for easy storage and transportation.
Space-Saving Design: The compact design with removable weight plates eliminates the need for multiple dumbbells, saving valuable space.

2x 32KG Adjustable Dumbbells Pair Solid Steel SilverBack Weight Set Affordable Dumbells Adjustable Weights Space Saver Dumbbells for Home 64KG (32KGx2)

Why We Love It

Adjustable weights for all levels.
Compact design saves space.
High-quality, durable steel construction.

Main Highlights

PAIR 2x 32KG Dumbbells with INSTANT adjustable weight selection from 2-32KG per dumbbell
💪 PAIR 2x 32KG Dumbbells with INSTANT adjustable weight selection from 2-32KG per dumbbell
💪【Weight selections】2KG, 4KG, 8KG, 12KG, 16KG, 20KG, 24KG, 28KG, 32KG
💪【 PROFESSIONAL】 You can focus on taking your workout to the next level from novice to the military without worrying about your equipment. It will be a wonderful friend to help you building a self-satisfied and healthier body! Our mount will always stay with you silently and help you be more and more attractive.
💪【PERFECT FOR GYM 】The product not only reduces the floor space but also beautifies the space. It can also be used as part of the minimalist decoration of a home or gym. The steel metal frame is heavy duty for added safety and stability.
💪Material: high-quality steel (surface anti-rust electrostatic spraying process). All of our products use the highest grade and strong steel, which ensures that the products can be used for a long time while ensuring the beauty. Please don't compare the prices of our products with others. We only do the best.

EnterSports 18kgx2 Adjustable Dumbbells, 5 Weights Levels(2-18kg) for Space-Saving, Anti-Slip Handle with Safety Locking Mechanism, Home Gym Strength Training Equipment for Full Bodybuilding

Why We Love It

Quick weight adjustment system.
Space-saving design efficiency.
Comfortable rubber handle grip.

Main Highlights

★ 【18KGX2 Adjustable Dumbbells】: You will receive 2 pieces of 18 KG Adjustable Dumbbells. Each dumbbell offers 5 weight options(2kg-6kg-10kg-14kg-18kg). You only need the space of 1 set of dumbbell to get the training experience of 5 different weights.
★ 【1 Second Weight Change】: With unique dumbbell design, simply turn the handle with one hand to adjust the weight of dumbbells from 2kg to 18kg in 1 second! Enjoy more convenient adjustment experience and get better training efficiency. CAUTION: Please make sure you hear the ‘click’ sound before lifting the handle to avoid dropping the plate.
★【90% cost and space saving】Say goodbye to 5 sets of dumbbells cluttering up your training room. Save time to replace the dumbbell plate. It's perfect for your home gym.
★ 【Safety weight selection system】:The weight plates are made entirely of silicon steel and have an ergonomic, non-slip handle made of electroplated steel. It is combined with a click sound when adjusting the weight, which makes the dumbbells more durable, reliable and safe. Make sure you don't drop any parts during your workout
★ 【70mm Handle Grip】Covered with comfortable rubber, our handle helps you better control the dumbbell during exercise and keeps your hands free from abrasions. In addition, the 70mm handle is thicker than most other dumbbells. This gives you a better pump when lifting, especially for your forearms.
★ 【Perfect Gifts and Customer Service】: Our aim is to offer the best products to customer and our warranty period is one year. We offer 30 days free return and lifetime after-sale warranty, our products have passed the SGS physical fatigue safety test.
★ 【Attention】: 1. When you want to adjust the dumbbells, you must first place them on the base 2. A click must be heard to turn the handle for safe adjustment.3 The handle and dumbbell piece must be placed smoothly on the pallet before the handle can be turned.
★ 【Attention】: Adjustable dumbbells will have a slight dumbbell piece wobble problem, is a normal phenomenon. The barb design on our adjustable dumbbells effectively solves the safety problem. And passed the SGS safety test. Please rest assured to enjoy the pleasure of strength.
★ 【Attention】: The correct way to use dumbbells：in order to prevent your hands from wearing out and slipping when using them with sweat. It is recommended to use gloves.
★ 【Attention】:If you receive the goods found to be damaged please promptly open the order page to contact us, we will help solve the problem within 24 hours.

Bowflex SelectTech Adjustable Weights and Dumbbells, Single Dumbbell 552 (2 - 24 kg), Black/Red

14% OffFree Shipping

Why We Love It

Adjusts from 2 to 24kg.
Effortlessly switches between exercises.
Includes real-time Motion Tracking.

Main Highlights

Each dumbbell adjusts from 2 to 24 kg (steps: 2, 3, 4, 5, 7, 8, 9, 10, 11, 14, 16, 18, 20, 23, 24 kg)
Lets you rapidly switch from one exercise to the next combining 15 weights into one single dumbbell thanks to its unique dial system
Free JRNY trial included for new members (iOS 14.0/Android 9 or later required). The JRNY app offers trainer led classes for Strength, Core, Yoga and Pilates.
Eliminates the need for multiple dumbbells cluttering your workout space
Compact design: each dumbbell is 40 x 20 x 23 cm

Yaheetech Adjustable Dumbbells 40KG Dumbbell Set 16 In 1 Adjustable Weights with Non-Slip Handle & Safety Locking Mechanism, Home Gym Strength Training Equipment for Full Bodybuilding

Why We Love It

Quickly change weights effortlessly.
Ensures stability during workouts.
Saves significant space efficiently.

Main Highlights

16 Weights with Quick Adjustment: You can switch between 2 kg and 40 kg in seconds by twisting the non-slip selectorized handle with one hand. Clear dials make adjustments straightforward
More Safe with Double Locking System: This adjustable dumbbell has a clever two-step weight plate locking system to keep your workouts stable, balanced, and safe. The weight adjustment only works when the dumbbell is on the tray, so no more accidental weight changes mid-lift
Space-saving Storage: This adjustable dumbbell saves space compared to other 16 standard sets. After your workout, it can be conveniently stored under a bench or on a garage shelf
Anti-slip Handle for Home Workouts: This adjustable dumbbell features a non-slip handle for more comfort and safety. The combination of hard and soft materials enhances grip strength during intense workouts
Secure & Silent Workouts: This dumbbell set includes a robust dumbbell base to prevent any movement or tipping when storing the weight places. Plates stay securely in place during workouts, minimizing noise and ensuring stability
About Weight Adjustment: To adjust the dumbbell weight, fully insert the handle into the base (in the lowest position) before turning it. Align the red arrows with the numbers on both dials until you hear a "click-clack" sound, confirming the adjustment. If the red arrows aren't aligned, please reset the handle and adjust it again

Yaheetech Adjustable Dumbbell Set 2 in 1 Dumbbell Weight Set 40KG Used as Barbell, Free Weights for Men/Women, Home Gym Strength Training Equipment

Why We Love It

Easy and quick adjustments.
Versatile workout options.
Secure and stable design.

Main Highlights

Grip, Twist, Lift: Effortlessly switch between 16 weight settings with a simple twist of the anti-slip handle. Clear mode dials facilitate easy customisation, ensuring you are always prepared for the next set
2-in-1 Free Weight Set: This multifunctional workout equipment combines the functionality of a dumbbell and a barbell into one versatile set. With 16 weight variations in each mode, from 2 kg to 40 kg for the dumbbell and 2.5 kg to 41 kg for the barbell
Dual Safety Lock Mechanism: This adjustable weight features a dual-lock system that ensures stability and balance, making your workouts safe and steady. The weight adjustment is activated only when the dumbbell or barbell is securely on the tray, eliminating any risk of accidental operation
Space-saving Storage: Achieve space-efficient storage with this 2-in-1 free-weight set. Easily store it beneath a workout bench or on a garage shelf after strength training, saving space compared to traditional separate weight sets
Quiet & Stable Workouts: With a sturdy base that prevents shifting or tipping, you can store this quick-adjust dumbbell without worries. The plates stay securely in place during workouts, reducing noise and giving you maximum stability
About Weight Adjustment: To adjust the dumbbell/barbell weight, fully insert the handle into the base (in the lowest position) before turning it. Align the red arrows with the numbers on both dials until you hear a "click-clack" sound, confirming the adjustment. If the red arrows aren't aligned, please reset the handle and adjust it again

9.1

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We scanned 1013 products

We reviewed these offers relevant to the Bowflex Adjustable Dumbbells 40kg within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like BRAINGAIN, Strongway, NordicTrack, snode, H H FITNESS, Generic, EnterSports, Bowflex, Yaheetech, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Bowflex Adjustable Dumbbells 40kg in the market, we considered we took a deep dive into 5066 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is BRAINGAIN 17-in-1 Adjustable Dumbbells Set 40kg Pair + Stand | Space-Saving Adjustable Weights for Home Gym Workouts | 17 Dumbbells in One | Smart Click Technology | Durable Performance. We love many things about this product by BRAINGAIN. What sets it apart from the competition is Train smarter for better results. , Space-saving for home gyms. , Durable and high-quality design. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Strongway® 9-in-1 PAIR 40KG Adjustable Dumbbell Home Fitness Gym Training Weights Lifting Exercise (40KG Adjustable Dumbbells (PAIR)) by Strongway based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Bowflex Adjustable Dumbbells 40kg and the best cost-to-value ratio is Bowflex SelectTech Adjustable Weights and Dumbbells, Single Dumbbell 552 (2 - 24 kg), Black/Redat Bowflex with a 14% discount.
Our list of the best Bowflex Adjustable Dumbbells 40kg is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Bowflex Adjustable Dumbbells 40kg in The UK

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