Lullax OnixPro 60 Review: The Ultimate Adjustable Iron Dumbbell for Strength?

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Hey guys! Today, we’re talking about heavy-duty performance for our home gyms. The Lullax brand continues to expand its product range at an impressive pace, and I believe it’s truly positioning itself as an absolute benchmark.

If you start looking for adjustable dumbbell brands out there, you’ll realize that globally, there isn’t a single brand with so many models to choose from: we have the Neo model (ranging from 20 kg to 45 kg), the Platinum (which, for me, are still among the best dumbbells in the world), the Iron Square, and now these beasts join the family: the Lullax OnixPro 60.

The goal of this article is to thoroughly analyze whether the Lullax OnixPro 60 adjustable dumbbell deserves a spot in your training zone or if you should consider other options from the catalog. I’ll tell you upfront that I’d place it in a very similar category to the Iron Square, but equipped with a much more advanced weight selection system that allows you to change loads at a brutal speed. We are, without a doubt, looking at one of the most compact and advanced dumbbells on the current market.

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Get extensive information and the best price for OnixPro 60 HERE: Lullax official website

OnixPro 60 comparison with other Lullax models

Technical Analysis: Pure Iron Engineering and Zero Plastic

When you unbox these weights, the first thing that strikes you is their construction. If you’re tired of delicate dial mechanisms or rattling casings during intense workouts, you can breathe easy here. With the Lullax OnixPro 60, don’t look for a single piece of plastic; they simply don’t exist.

The entire unit is made exclusively from solid iron and steel. We’re talking maximum quality and a “tank” design concept that stands out for its robustness. It’s the kind of indestructible material you buy once and know it will last two or three lifetimes; in fact, I’m certain your grandchildren will inherit these dumbbells, and they’ll still be a block of iron working exactly as they did on day one.

How does the striker-pin weight selection system work?

The selection method is extremely simple and clean, reducing the chances of anything breaking mid-heavy set to zero. The dumbbell features two metal sliding bars parallel to the handle. The weight is clearly and visibly engraved on these bars.

To change the load, you simply slide the metal selectors to the number you need on both sides, and you’re done. The mechanism is so ridiculously simple and effective that sometimes you wonder why no one thought of it sooner to get rich with the idea. By moving these guides, you directly engage the solid weight plates without any play.

OnixPro 60 weight change adjustment

The Secret to 2.5 kg Jumps: Using the Additional Plates

A common problem with high-capacity heavy dumbbells is that weight jumps are often too large (4 kg or 5 kg increments), which ruins any attempt at linear progression in accessory exercises or presses. Lullax has solved this in a very ingenious way.

The main sliding bars modify the weight in 5 kg increments (for example, going from 40 kg to 45 kg or 50 kg). However, the set includes some additional magnetic plates that feature a small built-in striker pin. When you insert these plates into the ends, they fit perfectly thanks to the striker pin.

  • If you have 60 kg selected and want to fine-tune the load, you place these intermediate plates to instantly go to 57.5 kg.
  • To remove them, simply pull them upwards with a clean motion and set the plates aside.
  • This gives you tremendous versatility to set exact weights like 42.5 kg by using the main selectors in combination with this micro-adjustment.

The Stand Dilemma: 55 kg or True 60 kg?

Here’s a crucial technical detail you need to know before buying them, directly related to using their stand. The Lullax 60 kg adjustable iron weights come with a robust stand. This accessory isn’t mandatory (you can use them directly on the floor freely if you want, and nothing will happen), but honestly, working with the stand is infinitely more comfortable. When you’re constantly changing weight, the base keeps all the plates perfectly aligned; if you leave a single plate loose directly on the floor, it’s easy for it to become unbalanced or struggle to stand upright.

However, the stand introduces a physical limitation you should be aware of:

Important note on weighing: When the dumbbell is placed within the factory stand, the mechanical selector hits a physical stop that limits you to a maximum of 55 kg. It won’t allow you to slide the bar further. If your goal is to train with the true maximum weight of 60 kg, you’ll have to remove the dumbbell and configure the last two additional plates outside the stand.

For 95% of your daily workouts, 55 kg within the stand will be more than enough and provide excellent fluidity, reserving the true 60 kg for your most demanding sets in heavy movements.

Lullax OnixPro 60 dumbbell weight guide

Performance Comparison: OnixPro 60 vs. Lullax Catalog

To understand where the Lullax OnixPro 60 stands in the market, it’s essential to compare it with its own brand siblings, as each caters to a completely different athlete profile.

OnixPro 60 vs. Lullax Neo and Platinum: Which is Faster?

If we’re strictly looking for pure weight change speed, the Lullax Platinum range still holds the number one spot; its dial engineering is unbeatable in terms of execution speed. Meanwhile, the Lullax Neo range stands out for the comfort of its rotating handle: you change the weight with one hand by simply rotating the central grip instantly.

With the OnixPro 60, the process is a tad different. Here, you need to use both hands to slide the selectors on both sides. Does it take longer? Yes, a mere breath longer compared to the one-handed speed of the Neo, but it’s still a practically instant change when compared to any traditional screw-on system. In exchange for that extra second you spend manipulating the guides, you gain an indestructible solid iron block with no delicate internal gears.

OnixPro 60 vs. Iron Square: Speed vs. Budget and Extra Kilos

This is the comparison you’ve been asking me for the most. Both models share the same philosophy: the concept of pure iron, aiming to offer the most compact, dense, and manageable dumbbells possible for moving serious weight.

FeaturesLullax OnixPro 60Lullax Iron Square
MaterialsIron and steel (0% plastic)Iron and steel (0% plastic)
Max Weight60 kgUp to 102 kg (per dumbbell)
Selection SystemSliding bars + striker pinUnscrew quick manual collar
Change SpeedVery fast / Nearly instantSlower (improved traditional style)
VersatilityFixed dumbbellConvertible to barbell and Kettlebell

As you can see in the table, the Iron Square has brutal advantages: it allows you to scale the weight of a single dumbbell up to a beastly 102 kg and offers accessories to transform it into a barbell or kettlebell. However, its system requires you to loosen the collar, manually add or remove plates, and then tighten it again. It’s not the end of the world, but it is noticeably slower. The Lullax OnixPro 60 eliminates that friction: you sacrifice accessory versatility and pay a top-tier price, but you gain spectacular selection speed while maintaining an ultra-compact format.

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Get extensive information and the best price for OnixPro 60 HERE: Lullax official website

Real Training Feel: Thigh Support and Ergonomics

Perfect engineering on paper is useless if, in reality, the dumbbell is unbearable during training. Seeing the exterior design of the OnixPro 60, with its straight shapes and textured ends of the iron plates, I admit I had serious doubts at first. I thought the geometric shape of the ends would destroy or bother me when resting them on my legs before starting a press.

However, the reality on the bench changes completely. When testing them directly on the thigh with serious loads, the truth is they don’t bother at all. Despite being bare iron blocks without rubber coating (unlike other models), all the weight rests uniformly, and the surface feels surprisingly flat and stable on the leg.

As for their size and dimensions, they are extremely compact. Being so compact, they move exceptionally well throughout the entire range of motion of the exercise. You don’t suffer from the classic problem of cheap adjustable dumbbells, which are excessively long and collide with each other at the top of a bench press or limit your trajectory. That said, I have to be completely honest and transparent with you: in my current situation, as you know I’m dealing with an injury and am quite out of shape, when I thoroughly tested them and tried to move 45 kg blocks, I assure you they felt quite heavy. It’s time for me to stop using the injury as an excuse to remain a ‘baguette’ and get back into rhythm, but I guarantee that the maneuverability of the structure is excellent even when the body isn’t 100% cooperative.

Bilbo’s Conclusion and Opinion: Who is this 60 kg Beast for?

The Lullax OnixPro 60 adjustable dumbbell is not an accessory designed for everyone, and therein lies its value. If you’re looking for your first pair of light weights for high-rep workouts or cardio, there are much more economical and suitable options in the Lullax catalog for your needs.

This model is a high-end product specifically designed for the strength athlete, powerlifter, or home heavy training enthusiast who has a generous budget and demands two non-negotiable things: indestructible durability based on heavy metal and instant change speed. If you want to get rid of the hassle of screwing on plates but are terrified of breaking a plastic dial by dropping weights on the floor after a set to failure, the OnixPro 60 is, right now, the best investment you can make for your home gym.

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Get extensive information and the best price for OnixPro 60 HERE: Lullax official website

Remember you get an additional 10% discount on the Lullax website using my code: Lullax discount coupon BILBOTEAM10 and you’ll get 10% off.

And remember, if you’re looking to progress with the Bilbo Method App, you’ll get structured Workouts: Real progression and meaningful sets. For this, it’s best to check out our Bilbo Training Plans.

Frequently Asked Questions (FAQs) about the Lullax OnixPro 60

Can the OnixPro 60 dumbbells be used without buying the stand?

Yes, they can be used completely freely directly on your gym floor. The stand is an accessory focused on improving comfort and speeding up weight changes, but it is not strictly mandatory for training.

What is the minimum weight increment these dumbbells allow?

The main sliding bar system makes increments of 5 kg. However, thanks to the set of additional plates with a striker pin that are included, you can make micro-adjustments and achieve 2.5 kg jumps very easily.

Why does the selector only go up to 55 kg when on the base?

This is a safety limitation due to geometric design. When the dumbbell is fitted into the stand, the bar creates a physical stop that prevents the selector from sliding to the last slot. If you need to use the full 60 kg total weight, you must attach the last plates manually outside the stand structure.

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Jesus Varela

Expert in strength training and physical tests for civil service candidates. With over 30 years of experience and multiple national and European records, he shares his methods to improve strength, endurance, and performance safely.

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