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Complimentary Muscle Repair Gift Set is automatically included with your Fittle Box purchase. While stocks last.

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Complimentary Muscle Repair Gift Set with every Fittle Box. Only until 15 June.
Complimentary Muscle Repair Gift Set with every Fittle Box. Only until 15 June.
Complimentary Muscle Repair Gift Set with every Fittle Box. Only until 15 June.
Complimentary Muscle Repair Gift Set with every Fittle Box. Only until 15 June.
Complimentary Muscle Repair Gift Set with every Fittle Box. Only until 15 June.
Fittle Box showing PLUS kit installed
Red 5 kg Fittle weight plates arranged on a bespoke black storage rack (Plus Pack) against a plain background
4 red weight plates on a white background
Fittle Box showing PLUS kit installed
Red 5 kg Fittle weight plates arranged on a bespoke black storage rack (Plus Pack) against a plain background
4 red weight plates on a white background

FITTLE PLUS KIT

Delivered within 1 week

Upgrade your Fittle Box Base to the Plus configuration.

The Fittle Plus Kit includes four additional 5kg plates and the internal Plus rack, allowing you to expand the weight range of your existing system. Once installed, the rack fits neatly inside the Fittle Box and securely stores the additional plates while maintaining the clean, compact design of the system.

It’s a simple way to increase your training capacity and progress your strength without replacing your existing setup.

What’s included
•  4 × 5kg weight plates
•  1 × Fittle Plus internal rack

Compatibility
Designed to upgrade the Fittle Box Base to the Fittle Box Plus configuration.

£250
Returns Policy
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what's included
20kg of weight plates
Fittle Box showing PLUS kit installed

FITTLE PLUS KIT

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

Your questions answered

What is included in the Fittle Plus Kit?

The Plus Kit includes four 5kg weight plates and the Fittle Plus internal rack, which installs inside your existing Fittle Box to securely store the additional plates.

What does the Plus Kit upgrade my Box to?

The Plus Kit upgrades your Fittle Box Base to the Plus configuration, expanding your total weight range and increasing your training capacity without replacing your existing setup.

How do I install the Plus rack?

Installation requires only a screwdriver and takes less than 5 minutes. The Plus rack fits neatly inside the Fittle Box and full step-by-step instructions are included. You can see the details in the Fittle Guide.

Will the Plus Kit fit my existing Fittle Box?

The Plus Kit is designed specifically for the Fittle Box Base. It is not compatible with any other storage system.

How much weight does the Plus Kit add to my system?

The four 5kg plates add 20kg of additional plate capacity to your setup, allowing you to load heavier on both the barbell and dumbbells.

Does the Plus Kit change the external dimensions of the Fittle Box?

No — the Plus rack installs internally and the external dimensions and appearance of the Fittle Box remain unchanged.

What are the dimensions of the Fittle Plus Kit components?

The four included 5kg weight plates each have a diameter of 225mm and a 51mm centre bore. The Plus internal rack is designed to fit inside the Fittle Box.