# Phoenix Fitness Adjustable Cast Iron Dumbbell and Barbell Set, 20kg or 30kg

Phoenix Fitness adjustable cast iron dumbbell and barbell set is listed in 20kg and 30kg versions. A connector bar lets the dumbbell handles form a barbell, while spinlock collars secure the plates according to the listing. The page’s title and feature text describe both weights, so confirm which version is selected before buying.

- [Original product page](https://bargainpostbox.co.uk/product/phoenix-fitness-adjustable-cast-iron-dumbbell-barbell-set)
- [View offer](https://bargainpostbox.co.uk/visit/phoenix-fitness-adjustable-cast-iron-dumbbell-barbell-set)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Phoenix Fitness
- Category: Sports & Outdoors > Fitness & Exercise > Weights & Strength Equipment
- Price: 42.99 GBP
- Previous price: 59.99 GBP
- Discount: 28%
- Price checked: 2026-11-14T19:40:44.693Z
- Rating: 4.1 / 5
- Reviews: 67

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Dumbbell handles can be joined with the connector bar to make a barbell.
- Cast-iron plates are listed in several increments, allowing weight configurations to be adjusted.
- Diamond-knurled handles and spinlock collars are described as grip and plate-retention features.
- The listing describes versions with different plate quantities and handle lengths. Confirm whether the selected option is 20kg or 30kg.

## Pros

- Two dumbbell handles and a connector bar support dumbbell and barbell configurations in one set.
- The listed plate increments include 0.5kg, 1.25kg and 2.5kg plates, offering several loading steps.
- Spinlock collars and knurled handles are specified for securing plates and gripping the bars.

## Cons

- Cast-iron plates make this a substantial set to handle and store, rather than a lightweight compact alternative.

## Specifications

### Identity
- Brand: Phoenix Fitness
- Set name: 20kg/30kg Weight Set
- Style: Adjustable
### Dimensions and installation
- Weight listed: 20 Kilograms
- Dimensions: 94L x 16.5W centimetres
- Handle diameter: 38 centimeters
- Grip size: Medium
### Materials and protection
- Material listed: Cast Iron
- Handle material: Metal
- Special features: Non-Slip, Secure Weight Locking
### Use
- Target body parts: Arm, Shoulder

## Before you buy

- The listing is inconsistent about the selected set and its specifications: the title and set name show both 20kg and 30kg, the details list 20 Kilograms, and the feature text gives different plate counts and handle lengths for each version. The listed handle diameter of 38 centimeters also differs from the stated 35cm handles for the 20kg version. Confirm the selected weight and included configuration before purchase.

## A good fit for

- Home users who want adjustable free weights that can be configured as dumbbells or a barbell.
- Strength-training buyers who prefer cast-iron plates and spinlock collars.
- People with room to store a set of handles, plates and a connector bar.

## Less suited to

- Buyers seeking a clearly specified, single weight configuration without checking which listing option is selected.
- People who need a lightweight or quick-change weight system.

## Customer feedback

Customer feedback praises the set’s cast-iron finish and perceived value. This may matter to buyers choosing a home set with metal plates, but those impressions do not confirm the listing’s conflicting 20kg and 30kg configurations. Ratings are generally favourable, though some are low, so experiences are not uniformly positive.
- Positive themes: Customer feedback highlights the cast-iron finish.
- Positive themes: Some feedback describes the set as good value for money.

## Frequently asked questions

### Can the set be used as both dumbbells and a barbell?
The listing says the connector bar joins the dumbbell handles to form a barbell. Check the selected version’s package contents before ordering.
### Is this the 20kg or 30kg set?
The page names both versions, but its details also list a 20 Kilograms item weight. The feature text gives different plate quantities for the 20kg and 30kg versions, so verify the selected option.
### What material are the weights made from?
The listed material is cast iron. The page also describes knurled metal handles and spinlock collars.

## Alternative options

- [Adjustable Cast Iron Dumbbell and Barbell Weight Set, Spinlock Bars & Plates for Home Gym Strength Training, 15kg 20kg 30kg 50kg Weights for Fitness, Muscle Building, Exercise & Full Body Workouts Set](https://bargainpostbox.co.uk/visit/phoenix-fitness-adjustable-cast-iron-dumbbell-barbell-set)
- [SONGMICS 2-in-1 Cast Iron Dumbbells, Weight Plates, Adjustable for Men Women Workout, Fitness Training](https://bargainpostbox.co.uk/visit/phoenix-fitness-adjustable-cast-iron-dumbbell-barbell-set)
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- [Adjustable Dumbbell & Barbell Set 10–50kg with Push Bar & Connecting Rod, Anti-Slip Handles and Spin Collars, All-in-One Weight Lifting Set for Home Gym Strength](https://bargainpostbox.co.uk/visit/phoenix-fitness-adjustable-cast-iron-dumbbell-barbell-set)
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- [SONGMICS 2-in-1 Cast Iron Dumbbells, Weight Plates, Adjustable for Men Women Workout, Fitness Training](https://bargainpostbox.co.uk/visit/phoenix-fitness-adjustable-cast-iron-dumbbell-barbell-set)
- [Hex Dumbbells Sets 1–60kg \| Heavy-Duty Rubber-Coated Cast Iron Weights, Anti-Roll Hex Design,Ideal for Home Gym, Bodybuilding & Strength Training](https://bargainpostbox.co.uk/visit/phoenix-fitness-adjustable-cast-iron-dumbbell-barbell-set)
- [SONGMICS Dumbbell Set Adjustable Dumbbells](https://bargainpostbox.co.uk/visit/phoenix-fitness-adjustable-cast-iron-dumbbell-barbell-set)
- [ZENO Dumbbells Set \| Adjustable Dumbbells \| Gym Weights \| Includes Barbell \| Great for Bicep & Tricep Training](https://bargainpostbox.co.uk/visit/phoenix-fitness-adjustable-cast-iron-dumbbell-barbell-set)
- [Gallant Adjustable Weights Dumbbells Set, Men & Women, Home Gym Equipment \| 10kg, 15kg & 20kg Hand Weights Sets, With Dumbbell Pairs, Extendable Barbell, Removable Plates, Workout Exercise Training](https://bargainpostbox.co.uk/visit/phoenix-fitness-adjustable-cast-iron-dumbbell-barbell-set)
- [Phoenix Fitness Cast Iron Weight Plates - 1-Inch Free Weight Plate for Barbell Dumbbell Bars, Weightlifting & Strength Training at Home Gym - Singles, Pairs or Set of 4: 1.25kg, 2.5kg, 5kg, 10kg, 20kg](https://bargainpostbox.co.uk/visit/phoenix-fitness-adjustable-cast-iron-dumbbell-barbell-set)

## Add-ons

- [Phoenix Fitness Cast Iron Weight Plates - 1-Inch Free Weight Plate for Barbell Dumbbell Bars, Weightlifting & Strength Training at Home Gym - Singles, Pairs or Set of 4: 1.25kg, 2.5kg, 5kg, 10kg, 20kg](https://bargainpostbox.co.uk/visit/phoenix-fitness-adjustable-cast-iron-dumbbell-barbell-set)
- [Phoenix Fitness Adjustable Bench - Foldable Weight Bench for Full Body Workout - 362kg/800lb Strength Training Bench for Home Gym - Utility Incline Decline Flat Bench for Weightlifting - Black](https://bargainpostbox.co.uk/visit/phoenix-fitness-adjustable-cast-iron-dumbbell-barbell-set)

## Images

![Phoenix Fitness Adjustable Cast Iron Dumbbell and Barbell Set, 20kg or 30kg — 1](https://bargainpostbox.co.uk/i/CnzdwM12zVyFtOsF3nOq1CKNsaCkjKpfQHGnMgrX2Yjx1TWNYyNDbabLD0vbrq5Sy3F_o-e2ccdh1MK_a6xpNnI9sHgOpr5DzxRQBAuoPkLhKDl4ZpPTghvv.jpg)

![Phoenix Fitness Adjustable Cast Iron Dumbbell and Barbell Set, 20kg or 30kg — 2](https://bargainpostbox.co.uk/i/Om--DlEKJhREgpDc6UAu8_AGsxSQcOsicSRgn98FCvvjm_ZQpJoR-6s8RlYxJwcpqXrf5FDqBcMcMuZV0uwpoYzJlWFX1z1ZZwg04NE5wNRFzbFSXgg8pOTe.jpg)

![Phoenix Fitness Adjustable Cast Iron Dumbbell and Barbell Set, 20kg or 30kg — 3](https://bargainpostbox.co.uk/i/VJ7hW5WjeGXxQ81G4k2SplWp6wyfIKPXzGON8HrbF4Iql_cye95vKP6uY70hy0M4I1NpXussB6mRhMvO2tvtHOXnPiwshJ1NT5VCyqjIn2dho1NSjxUuf9uv.jpg)

![Phoenix Fitness Adjustable Cast Iron Dumbbell and Barbell Set, 20kg or 30kg — 4](https://bargainpostbox.co.uk/i/OPw54imskaF1FvOmzX5B7Je65P3VRIaWwM0Wg9Ig-d0L30axqc4EZS_CFt-OXO1eFnSdy5oJZvvBdag7FZQzMT4Tjv6pSv9B90THtKD9HZMIbSECPR1lo_76.jpg)

![Phoenix Fitness Adjustable Cast Iron Dumbbell and Barbell Set, 20kg or 30kg — 5](https://bargainpostbox.co.uk/i/4R28nvjqKFkkXNdz4uFx08wbtAIkkzZ3oXlVZBj5tyNaqQjdoZoYgg5JNIHNJdE4qGlQ1TMy5rROScB37MPfzakRmX-xpYx-U9kof4jliF-WjUJbFTVSe_kd.jpg)

![Phoenix Fitness Adjustable Cast Iron Dumbbell and Barbell Set, 20kg or 30kg — 6](https://bargainpostbox.co.uk/i/HQtbCbSVNVVqv2zG_OzHo-X_4ZRnIkgWljZryZJsrvJyNSxQM2zB_bBOt2zmqmQVFVk6KttCIsIdAlOmU57Dyb7u55Dsgkxx2oI_-xLdoVA_lqWSdEuYJBlm.jpg)

![Phoenix Fitness Adjustable Cast Iron Dumbbell and Barbell Set, 20kg or 30kg — 7](https://bargainpostbox.co.uk/i/C4t0VGIN80tpC0Ft6H69KyWEvEqTSAGZNGw7ZgqDKpXkc5s5aGaSzD1OJmlQNUCtGULpQo41gw_H7zJPKRFsbYlFGD3YSR6_QivgYgcohjF0FEzO4LMFstu5.jpg)