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Your Fittle Box comes with one month of complimentary online coaching so you make the most of it from day one. Once your Box arrives, we'll email you to activate your coaching and book your first call.

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Make the most of your Fittle Box from day one with one month of complimentary online coaching.
Make the most of your Fittle Box from day one with one month of complimentary online coaching.
Make the most of your Fittle Box from day one with one month of complimentary online coaching.
Make the most of your Fittle Box from day one with one month of complimentary online coaching.
Make the most of your Fittle Box from day one with one month of complimentary online coaching.
Man performing a single arm dumbbell row outdoors with a Fittle adjustable dumbbell, chrome bar and orange weight plates
Pair of adjustable orange and yellow dumbbells on a white background
Two Fittle dumbbell handles, 4 orange weight plates, 4 yellow weight plates, and 4 bar collars on a white background.
Pair of adjustable Fittle dumbbells on a light-colored rug with a chair and plants in the background.
Person holding an adjustable Fittle dumbbell with yellow and orange plates, secured by white clips.
Fittle weight plates, adjustable dumbbell handle, and collars on a blue yoga mat in dappled sunlight.
Man performing a single arm dumbbell row outdoors with a Fittle adjustable dumbbell, chrome bar and orange weight plates
Pair of adjustable orange and yellow dumbbells on a white background
Two Fittle dumbbell handles, 4 orange weight plates, 4 yellow weight plates, and 4 bar collars on a white background.
Pair of adjustable Fittle dumbbells on a light-colored rug with a chair and plants in the background.
Person holding an adjustable Fittle dumbbell with yellow and orange plates, secured by white clips.
Fittle weight plates, adjustable dumbbell handle, and collars on a blue yoga mat in dappled sunlight.
Pair of red and orange dumbbells on a white background
Two Fittle dumbbells with red and orange weight plates and bar collars on a white background
A man looking down at an adjustable Fittle dumbbell with red weight plates on the floor. Two more weight plates (one red, one yellow) lie on the wooden floor nearby.
Fittle weight plates, adjustable dumbbell handle, and collars on a blue yoga mat in dappled sunlight.
Pair of red and orange dumbbells on a white background
Two Fittle dumbbells with red and orange weight plates and bar collars on a white background
A man looking down at an adjustable Fittle dumbbell with red weight plates on the floor. Two more weight plates (one red, one yellow) lie on the wooden floor nearby.
Fittle weight plates, adjustable dumbbell handle, and collars on a blue yoga mat in dappled sunlight.
Two red adjustable dumbbells on a white background.
Fittle adjustable dumbbells with red weight plates and white bar collars on a white background
Person sitting on a Fittle box with two adjustable Fittle dumbbells in a modern home setting.
Two red adjustable dumbbells on a light-colored floor with a chair and plants in the background
Fittle weight plates, adjustable dumbbell handle, and collars on a blue yoga mat in dappled sunlight.
Two red adjustable dumbbells on a white background.
Fittle adjustable dumbbells with red weight plates and white bar collars on a white background
Person sitting on a Fittle box with two adjustable Fittle dumbbells in a modern home setting.
Two red adjustable dumbbells on a light-colored floor with a chair and plants in the background
Fittle weight plates, adjustable dumbbell handle, and collars on a blue yoga mat in dappled sunlight.

FITTLE ADJUSTABLE DUMBBELL SET

In stock. Delivered within 1 week.

Build a complete adjustable dumbbell setup for home training.

The Fittle Adjustable Dumbbell Set includes two loadable steel handles, rubber-coated weight plates, and four magnetic snap collars — everything you need to train across a full range of exercises at home. Select your weight configuration on this page. As your strength builds, add more Fittle plates to the same handles.

What's included

Light | Weight range: 3.5–11kg per dumbbell
•  2 × dumbbell handles
•  4 × 1.25kg plates
•  4 × 2.5kg plates
•  4 × collars

Medium: | Weight range: 3.5–18.5kg per dumbbell
•  2 × dumbbell handles
•  4 × 2.5kg plates
•  4 × 5kg plates 
•  4 × collars

Heavy | Weight range: 3.5–23.5kg per dumbbell
•  2 × dumbbell handles
•  8 × 5kg plates 
•  4 × collars

Compatibility
Fittle Dumbbells, Fittle Weight Plates, and Fittle Bar Collars are all available to buy separately. For the complete home gym setup, shop the Fittle Box.

Dumbbell weight:
£265
Returns Policy
add to basket

30-day return policy

Free online workout library

No assembly required

Free mainland UK delivery

Pair of adjustable orange and yellow dumbbells on a white background

FITTLE ADJUSTABLE DUMBBELL SET

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Every order includes complimentary abs sliders. Build your gym piece by piece, while stocks last.

Your questions answered

What weight configurations are available?

The Adjustable Dumbbell Set is available in three configurations — Light (up to 11kg), Medium (up to 18kg), and Heavy (up to 23kg) per dumbbell. Select your preferred weight range on this page.

What is included in each set?

All sets include two dumbbell handles and four collars (2 pairs). The Light set 4 x 1.25kg weight plates and 4 x 2.5kg weight plates. The Medium set includes 4 x 2.5kg weight plates and 4 x 5kg weight plates. The Heavy set includes 8 x 5kg weight plates.

How much do the handles weigh unloaded?

Each dumbbell handle weighs 3.5kg unloaded, giving a starting weight of 3.5kg per dumbbell before any plates are added.

What are the dimensions of the handles?

Each handle is 400mm in total length, with a 25mm handle diameter and 50mm sleeve diameter. Each sleeve is 120mm long.

Will the plates damage my floor?

No. All Fittle plates have an eco-friendly rubber coating over a CNC steel core, protecting both the plates and your floor during training.

Can I add more plates later?

Yes — all Fittle weight plates are sold separately and are compatible with the dumbbell handles. Simply add the plates you need as your strength builds.

Will these fit in the Fittle Box?

Yes — the Adjustable Dumbbell Set is designed as part of the Fittle system and stores neatly inside the Fittle Box.