1 / 6Amonax Cast Iron Dumbbell Bars, 16-Inch Pair for 1-Inch Plates
Amonax cast iron dumbbell bars are a pair of adjustable handles for standard 1-inch weight plates. Their compact format and spinlock collars suit home strength training, but customer feedback is mixed on durability and heavy-load suitability. The listing says a bar connector can convert them to a barbell, but that connector is not specified as included.
At a glance
- Pair of bars with spinlock collars, described for standard 1-inch weight plates.
- Adjustable loading supports changing plate weight between exercises.
- The listing describes barbell conversion when used with a bar connector.
Often bought together
Pros and cons
Pros
- Pair format lets you set up two independently loaded dumbbells.
- Standard 1-inch plate compatibility is clearly stated.
- The claimed cast-iron construction and spinlock collars provide a conventional adjustable-bar setup.
Cons
- Customer feedback raises concerns about durability, including reports of breakage after around two weeks.
- Customers report that the bars are not suitable for heavy sets, and feedback on functionality is divided.
Technical specifications
12 specifications| Brand | Amonax |
|---|---|
| Model | 163900071 |
| Weight listed | 3 Kilograms |
|---|---|
| Length and width listed | 41L x 11W centimetres |
| Handle diameter | 1 inch |
| Pieces | 2 |
| Material listed | Cast Iron |
|---|---|
| Handle material | Cast Iron, Metal |
| Colour | Black 3KG |
| Listed style | Fixed |
|---|---|
| Special feature | Convertible to Barbell |
| Target body part | Legs |
What to know before buying
Listing details to confirm
The listing calls the bars convertible to a barbell, but its detailed description says a bar connector is needed and does not establish that one is included. Customer feedback also conflicts on durability, ease of use, functionality and suitability for heavier weights, so treat those performance expectations as unsettled.
Who is it for?
A good fit for
- Home exercisers who already own standard 1-inch weight plates and want a pair of adjustable dumbbell handles.
- Buyers seeking a compact spinlock setup for strength exercises with changeable plate loads.
Less suited to
- People who need a stated high-load capacity or dependable evidence for heavy-set use.
- Buyers who require a barbell connector in the package without confirming that it is supplied.

Customer reviews on Amazon
- 5 stars
76% 76% - 4 stars
14% 14% - 3 stars
4% 4% - 2 stars
2% 2% - 1 star
4% 4%
Customer feedback highlights a comfortable grip, sturdiness and collars that reportedly hold plates securely. Experiences are mixed on durability, ease of use and functionality, with some reports of breakage after around two weeks and concerns about heavy sets. The supplied rating distribution is mostly five-star, but that overall pattern does not resolve these specific load and durability concerns. Since the listing gives no load capacity, buyers planning heavier training should be cautious.
Positive themes
- Customers describe the bars as comfortable and sturdy, with a good grip.
- Customers report that the spinlock collars secure weight plates well.
Negative themes
- Some customers report breakage within about two weeks of use.
Mixed feedback
- Feedback differs on ease of use and functionality.
- Comments on weight suitability indicate the bars may be unsuitable for heavy sets.
Frequently asked questions
Which weight plates fit these bars?
The listing specifies standard 1-inch plates. Check that your plates' openings match before buying.
Can the bars be joined as a barbell?
The listing describes barbell conversion with a bar connector. It does not establish that the connector is included.
Are weight plates included?
The stated package contents are two bars and four locking collars. Weight plates are not listed among those contents.
Are these suitable for heavy sets?
No load capacity is supplied, and customer feedback says they are not suitable for heavy sets. Consider that limitation if you plan to use substantial loads.

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