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Explore Adjustable Dumbbells
Explore Adjustable Dumbbells

One pair. Every goal.

SmartBells fit the way you train and the life you want.

Strength that shows
Build Muscle

Strength that shows

Strength that shows

More than half of our customers train to build muscle. SmartBells Pro give you up to 26 weight settings in a single pair with 1.5kg increments, so you can progressive overload from your first curl to your heaviest press, from the comfort of your home.

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James, France
Verified Buyer ⭐⭐⭐⭐⭐
Perfect for progressive overload at home. I’ve been able to increase weight every week without needing more kit.
Your home gym. No membership fee.
General Fitness

Your home gym. No membership fee.

Your home gym. No membership fee.

Half of our customers bought SmartBells for general fitness and health. Not to compete. Not to post. Just to feel stronger, move better, and stay consistent. One pair. Three sessions a week. That's it.

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Rachel, Germany
Verified Buyer ⭐⭐⭐⭐⭐
Helped me build a routine without the pressure of a gym. Really easy to stick to.
Burn more. Lift more. Repeat.
Fat Loss

Burn more. Lift more. Repeat.

Burn more. Lift more. Repeat.

36% of our customers train with SmartBells specifically to lose fat. Resistance training builds muscle that burns calories around the clock, not just during a session. The science is clear: lifting is the most effective long-term weight management tool there is.

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Thomas, Berlin
Verified Buyer ⭐⭐⭐⭐⭐
Didn’t realise how effective lifting was for fat loss until I started using these regularly.
0.25m². Up to 26 dumbbells in 1 pair.
Space Saving

0.25m². Up to 26 dumbbells in 1 pair.

0.25m². Up to 26 dumbbells in 1 pair.

Over 80% of our customers train in a spare room, a corner of the garage, or a shared space. One pair of SmartBells Pro replaces 26 individual dumbbells and takes up less space than a bedside table. Available in Chrome and Black to match your space.

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Marco, Milan
Verified Buyer ⭐⭐⭐⭐⭐
Replaced a whole rack of dumbbells with these. Massive space saver.
Lift today. Sleep deeper tonight.
Better Sleep

Lift today. Sleep deeper tonight.

Lift today. Sleep deeper tonight.

Resistance training is one of the most effective ways to improve sleep quality. Studies show that people who strength train regularly fall asleep faster, stay asleep longer, and wake up feeling more rested. Your evening session does more than build muscle.

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Antoine, Paris
Verified Buyer ⭐⭐⭐⭐⭐
Big difference in how I feel the next day. Better sleep, more energy, and more consistent routine.
Add years. Not equipment.
Longevity

Add years. Not equipment.

Add years. Not equipment.

Just 30-60 minutes of resistance training per week is associated with a 10-17% lower risk of all-cause mortality. Stronger muscles mean stronger bones, a faster metabolism, and a sharper mind as you age. This is the best investment in your future self.

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Carlos, Madrid
Verified Buyer ⭐⭐⭐⭐⭐
Knowing I’m doing something good for my future self is a big motivator. Easy to keep up week after week.

Explore The Range

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Person training at home

The BrainGain Promise

✓ Free EU Delivery
✓ 3-Year Warranty
✓ Trusted by 75,000+ Lifters

Rated 4.7, Excellent, based on 1,800+ reviews on

★ Trustpilot
★ ★ ★ ★ ★
Marty

Quality weights

The quality of the weights were very good, solidly built and does the job well, really speeding up workout time.

★ ★ ★ ★ ★
Dominic

Great product

I’m very happy with my adjustable BrainGain dumbbells. The ordering process was smooth and the experience was a very positive one.

★ ★ ★ ★ ★
Niall

Great product

Love my adjustable dumbbells. They do exactly what it says on the tin. Great product and equally as good customer support.

★ ★ ★ ★ ★
Mehmet

Easy to adjust

Great adjustable dumbbells. Very easy to use. Very stable and reliable. Weight is easily adjustable by turning the dial.

★ ★ ★ ★ ★
Quinn

Fantastic product

I’m really impressed with the quality of these adjustable dumbbells and how easy they are to use.

★ ★ ★ ★ ★
Lee

Brilliant product

The product is beautifully made, such great quality and works like a dream. I can’t wait to use my weights more.

★ ★ ★ ★ ★
John

Fantastic weights

These weights are fantastic and feel really good quality. The space-saving aspect is exactly what I was after.

★ ★ ★ ★ ★
Jack

Quality is great

Overall the quality is great. The latching mechanism for the plates seems solid and very secure. Easy to use between sets.

★ ★ ★ ★ ★
Eoghan

Excellent quality

Very good experience. Product arrived quickly and is excellent quality. Would highly recommend.

★ ★ ★ ★ ★
Graeme

Solid and well made

The dumbbells themselves are solid, well made, and great quality. I would highly recommend them.

★ ★ ★ ★ ★
Julien

Really easy to use

I have only used the dumbbells a few times, but so far the product is great and really easy to use.

★ ★ ★ ★ ★
Nemo

Excellent price

Easy purchase and a great pair of dumbbells at an excellent price. Exactly what I needed.

★ ★ ★ ★ ★
Sam

Easy to change weight

Weights are good. Extremely easy to change weight and do the job nicely.

★ ★ ★ ★ ★
Marcus

Really happy

Great product and even better customer service. Really happy with the dumbbells and they worked perfectly.

★ ★ ★ ★ ★
Abhinav

Easy and convenient

I purchased the adjustable dumbbells last year and have found them very easy to use and convenient.

★ ★ ★ ★ ★
Adam

Really like them

I purchased a pair of adjustable dumbbells from BrainGain and I do really like them.

★ ★ ★ ★ ★
Simon

Smooth and easy

BrainGain delivered a marvellous product here, smooth and easy to operate, easy to grip, and really good quality.

★ ★ ★ ★ ★
Ben

Taken a lot of use

I’ve owned the dumbbells for over two years. They have taken a lot of use and I’m really impressed.

★ ★ ★ ★ ★
Jose

Excellent value

They offer excellent value for money thanks to their quality. The adjustable dumbbells operate with smoothness and precision.

★ ★ ★ ★ ★
Johannes

Perfect for home workouts

The dumbbells are great. The mechanism is working perfectly and the weight can easily be adjusted in a few seconds.

★ ★ ★ ★ ★
Marty

Quality weights

The quality of the weights were very good, solidly built and does the job well, really speeding up workout time.

★ ★ ★ ★ ★
Dominic

Great product

I’m very happy with my adjustable BrainGain dumbbells. The ordering process was smooth and the experience was a very positive one.

★ ★ ★ ★ ★
Niall

Great product

Love my adjustable dumbbells. They do exactly what it says on the tin. Great product and equally as good customer support.

★ ★ ★ ★ ★
Mehmet

Easy to adjust

Great adjustable dumbbells. Very easy to use. Very stable and reliable. Weight is easily adjustable by turning the dial.

★ ★ ★ ★ ★
Quinn

Fantastic product

I’m really impressed with the quality of these adjustable dumbbells and how easy they are to use.

★ ★ ★ ★ ★
Lee

Brilliant product

The product is beautifully made, such great quality and works like a dream. I can’t wait to use my weights more.

★ ★ ★ ★ ★
John

Fantastic weights

These weights are fantastic and feel really good quality. The space-saving aspect is exactly what I was after.

★ ★ ★ ★ ★
Jack

Quality is great

Overall the quality is great. The latching mechanism for the plates seems solid and very secure. Easy to use between sets.

★ ★ ★ ★ ★
Eoghan

Excellent quality

Very good experience. Product arrived quickly and is excellent quality. Would highly recommend.

★ ★ ★ ★ ★
Graeme

Solid and well made

The dumbbells themselves are solid, well made, and great quality. I would highly recommend them.

★ ★ ★ ★ ★
Julien

Really easy to use

I have only used the dumbbells a few times, but so far the product is great and really easy to use.

★ ★ ★ ★ ★
Nemo

Excellent price

Easy purchase and a great pair of dumbbells at an excellent price. Exactly what I needed.

★ ★ ★ ★ ★
Sam

Easy to change weight

Weights are good. Extremely easy to change weight and do the job nicely.

★ ★ ★ ★ ★
Marcus

Really happy

Great product and even better customer service. Really happy with the dumbbells and they worked perfectly.

★ ★ ★ ★ ★
Abhinav

Easy and convenient

I purchased the adjustable dumbbells last year and have found them very easy to use and convenient.

★ ★ ★ ★ ★
Adam

Really like them

I purchased a pair of adjustable dumbbells from BrainGain and I do really like them.

★ ★ ★ ★ ★
Simon

Smooth and easy

BrainGain delivered a marvellous product here, smooth and easy to operate, easy to grip, and really good quality.

★ ★ ★ ★ ★
Ben

Taken a lot of use

I’ve owned the dumbbells for over two years. They have taken a lot of use and I’m really impressed.

★ ★ ★ ★ ★
Jose

Excellent value

They offer excellent value for money thanks to their quality. The adjustable dumbbells operate with smoothness and precision.

★ ★ ★ ★ ★
Johannes

Perfect for home workouts

The dumbbells are great. The mechanism is working perfectly and the weight can easily be adjusted in a few seconds.

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YouTube Reviews

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TRAINING EQUIPMENT YOU CAN TRUST

Our mission is make the world a healthier place, by promoting mental wellbeing by making physical fitness more convenient and accessible.

Having started in the UK, BrainGain Adjustable Dumbbells are now in over 50,000 homes, fitness studios and hotels in 25 countries across the UK, Europe and North America. We have now also expanded to serving commercial gyms, hotels and fitness studios across these geographies.

Our Story