At KingsBox, we’re all about creating the best gear for you. We don’t just launch new products; we dig deep to make sure every piece fits your body perfectly and helps you get the most from your workouts. That’s especially true for the strength machines in our Mad Series, and it’s what makes them stand out.

So, what was missing from other standing row machines? And how did your feedback inspire us to build something better? Join us behind the scenes to explore the fresh ideas and creative thinking that went into making The Scorpius Row—our new plate-loaded standing row machine.

Identifying the Flaws in Traditional Standing Row Machines

When our Head of Development issued a challenge to create the best standing row machine on the market, Simon stepped up without hesitation. With your feedback in hand and a deep dive into research, he quickly realized that while the classic standing T-bar row is a gym staple, it also comes with some frustrating limitations.

His goal? To design a machine that would activate the same target muscles—the upper and middle back—while solving the most common issues users face with traditional row machines:

• Poor Stability: Surprisingly, many machines on the market lack a proper stability solution, forcing users to struggle with balance during heavy lifts.
• Incorrect Muscle Engagement: Because the movement requires a forward bend without support, muscles like the lower back, glutes, and hamstrings end up carrying too much of the load—taking focus away from the back muscles the exercise is meant to target.
• Non-ideal Load Curve: Resistance distribution is not optimal, making it harder to maintain proper form.

By addressing these issues head-on, Simon set out to create a row machine that wasn’t just functional—but one that made training safer, more effective, and way more enjoyable.

Engineering a Solution: The Birth of the Scorpius Row

With the problems clearly outlined, Simon set to work. The result? The Scorpius Row—a machine that is setting a new standard of what a standing row machine should be:

• Stability First: A large, angled foot platform provides a stable base and optimal positioning to maintain balance throughout the movement.
• Ergonomic Pivot Point: The pivot is strategically placed high in front of the user, promoting a natural posture and smooth, controlled pulling motion.
• Optimal Load Curve: Resistance slightly decreases near the end of the pull, allowing better control even with heavy weights—perfect for maintaining form and maximizing results.
• Versatile Grip Options: Three handle positions—narrow, wide, and extra-wide—let users target different muscle groups and keep workouts varied.

The machine is plate-loaded and compatible with all standard weights, making it easy to customize resistance to your training needs.

Early Feedback Was Resoundingly Positive

Before officially launching the Scorpius Row, we shared it with a select group of trusted customers—experienced athletes and coaches. Their feedback? Unanimously positive.

To quote G. Grom, an IFBB international judge and respected fitness and bodybuilding expert:

“Perfect stretch and contraction with tension throughout the entire movement. Top-notch!”

A Name Inspired by Design and a Little Bit of Fate

After finalizing the design and passing all the tests, the team faced one last task: naming this innovative machine. Simon turned to his girlfriend for inspiration, showing her the final 3D design of the machine. Without missing a beat, she exclaimed, “It’s a Scorpio!”

Simon realized that the angular lines and bold silhouette truly resemble the Scorpius constellation. The name stuck—perfectly capturing the machine’s unique look and strength.

A New Standard in Back Training

The Scorpius Row shows just how much your feedback matters and how it helps us create our machines. We set out to build the best standing row machine on the market—one that fixes all the annoying issues with the usual models. And honestly, we’re really excited for you to try it!

Whether you’re a seasoned lifter or just starting out, we hope the Scorpius Row helps you get a better back workout—one that’s safe, comfortable, and efficient.

So, have you tried the Scorpius Row yet, or is it still on your wish list? We’d love to hear what you think! And if you have ideas for our next machine, don’t hesitate to share. In the meantime, be sure to check out the rest of our Mad Series.

The post The Making of the Scorpius Row: Revolutionizing the Standing Row Machine appeared first on Kingsbox.

The KingsBox SVR platform is structured to ensure that gyms can cater to weight lifters and also make the gym space conducive for others as it is designed to help gym owners create an optimal gym space where they don’t have to worry about noise and vibration when lifting weights. If you have been to the gym before we are sure you can relate to how disturbing it can be to have weights being slammed on the floor and that’s why our KingsBox SVR Platform weight lifting solution is so important.

In this blog, we will take you through the vision into creating this incredible gym solution and how it helps in reducing noise and vibration in the gym.

How We Developed the Weightlifting KingsBox SVR Platform

Most weightlifting platforms, especially cheaper ones, use only a single layer of rubber tiles. In contrast, our SVR platforms weight lifting platform features multiple layers of cushioning materials which includes two layers for the SVR Platform and three layers for the SVR Elite Platform.

These layers not only protect gym floors but also significantly reduce noise and vibrations so others in the gym can workout with no distractions and the weightlifters do not have to be self conscious.

Extensive Testing and Material Selection

Our research and development team tested over 80 different combinations of materials to find the perfect mix. Here’s how we performed the whole testing phase:

1.   Narrowing Down Options

We reduced the selection from 80 to 45 combinations, focusing on those that provided the best barbell bounce without the barbell sinking too much into the surface. This process was critical in ensuring the platform would meet the rigorous demands of weightlifting, powerlifting, and Olympic lifting.

2.   Laboratory Testing

At the Faculty of Mechanical Engineering, University of Ljubljana, we analyzed the Shock Response Spectrum (SRS) graphs for each combination. This helped us identify which materials absorbed vibrations best. The precision required in this phase ensured that our weightlifting platforms would provide the optimal balance between cushioning and firmness, essential for powerlifting and Olympic weightlifting.

3.   Durability Testing

After selecting the best combination, we conducted durability tests both in the lab and with a top European cross-training athlete. These tests simulated the high-impact conditions typical in weightlifting and powerlifting. At the end, combination number 39 was the best, and it’s now used in our SVR Elite Platform. This ensures that our platforms can withstand the heavy loads and repeated use common in weightlifting and powerlifting environments.

By focusing on these aspects, we ensure that our SVR platforms provide the best support and durability for weightlifting, powerlifting, and Olympic lifting, making them the ideal choice for any serious gym owner or athlete.

Differences Between KingsBox SVR and SVR Elite Platforms

	SVR Elite Platform – Top Performance	SVR Platform – Best Value
Layers:	3 layers (special rubber tiles + 2 layers of SVR foams)	2 layers (special rubber tiles + 1 layer of SVR foam)
Wood:	50mm thick plywood with an oak surface finish and KB logo	30mm thick birch plywood with KB logo
Frame:	Powder-coated steel	Powder-coated steel
Vibration Damping:	Up to 200% better than standard 30mm rubber tiles (dependent on the subfloor characteristics)	Up to 130% better than standard 30mm rubber tiles (dependent on the subfloor characteristics)
Features:	Center line for positioning, customizable logo pads, available in normal or rack versions	Customizable logo pads, available in normal or rack versions

Why Does a Gym Need a Platform?

There are several reasons why a gym should have a weightlifting platform, including:

• Protecting the Gym Floor: Weightlifting can be tough on floors. Dropped weights can cause significant damage, leading to costly repairs. A platform provides a buffer, preserving the integrity of your flooring.
• Protecting Bumper Plates and Barbells: Bumper plates and barbells are significant investments for any gym. A quality platform can help prevent damage, extending the lifespan of your equipment.
• Clearly Marking the Weightlifting Area: A dedicated platform clearly defines the weightlifting area, enhancing safety by keeping other gym users out of the lifting zone.
• Reducing Barbell Rebound: Excessive barbell rebound can be dangerous. Platforms help absorb the impact, reducing bounce and making lifting safer.
• Minimizing Noise and Vibration: One of the most important benefits is the reduction of noise and vibration. This is crucial in shared buildings where disturbing neighbors can be a concern.

Which Gym Weight Lifting Platform Should You Choose?

SVR Platforms are ideal for commercial gyms, especially those in multipurpose buildings with neighboring offices or stores. These platforms minimize noise and vibration, preventing complaints from neighbors and ensuring a better workout environment.

While most platforms (especially cheaper ones) use only a layer of rubber tiles, our SVR platforms have 2 layers (SVR Platform) or 3 layers (SVR Elite Platform) of different cushioning materials. Extensive testing has proven that these new KingsBox platforms not only provide protection to the gym floor but also drastically reduce noise and, most importantly, reduce the vibrations that could spread throughout the building.

Ready To Change The Weight Lifting Experience At Your Gym?

Investing in a high-quality weightlifting platform like the KingsBox SVR or SVR Elite can transform your gym environment. By reducing noise and vibrations, protecting your equipment and flooring, and ensuring a safe and defined lifting area, these platforms offer unmatched benefits. Whether you’re outfitting a commercial gym in a shared building or upgrading your home gym, the KingsBox SVR platforms are the ultimate solution for serious lifters.

Experience the difference today and give your gym subscribers the best training environment possible.

The post The New KingsBox SVR Platforms: Noise and Vibration-Reducing Weight Lifting Solution appeared first on Kingsbox.

So you come to our website, you see a huge range of different barbells. You can see that we have men’s, women’s, specialised, beginner’s  and cerakote barbells. Let’s say you want a 20kg barbell, so you go to the men’s category, but you get lost in all the specifications. Don’t worry, we’re here to help you. After reading this blog you will know all the differences. Now, let’s dive into the different types of Olympic barbells and their specifications.

Different use, different types of barbell

• Powerlifting Barbells:

If you prioritize heavy lifting and strength-focused workouts, Kingsbox powerlifting barbells are ideal. With a more rigid construction and higher weight capacity, they provide stability and support for intense powerlifting movements like squats, deadlifts, and bench presses. They are made from more rigid steel, the Knurl Marks are spaced closer together and the diameter is wider.

• Weightlifting Barbells:

KingsBox weightlifting barbells are specifically designed for Olympic weightlifting movements, such as the snatch and clean and jerk. They feature more whip and spin to facilitate explosive lifts, allowing for better performance and technique. The steel is more elastic; this way the bar can bend more and have a better “Whip” to it.

• Hybrid Barbells:

Are suitable for a wide range of strength training exercises. They blend the characteristics of both powerlifting and weightlifting barbells, offering a balanced design that caters to multiple fitness goals. They have dual marks, the weightlifting and powerlifting marks.

• Beginner Barbells:

For those who are new to weightlifting or strength training, Kingsbox offers beginner barbells with a lighter weight and more forgiving specifications. These barbells provide a comfortable grip and are designed to help users develop proper form and technique.

• Specialized Barbells:

Kingsbox specialized barbells cater to specific training needs. Whether you’re focused on training for CrossFit, Strongman competitions, or other specialized disciplines, these barbells offer unique features and specifications tailored to your requirements.

Coating Types

We offer a variety of coatings for the barbells, each with its own unique characteristics. Let’s explore some of the most common coating options:

• Black Zinc: Provides corrosion resistance and durability. Quite good protection but quickly lose its shine.
• Hard Chrome: Offers a smooth, hardened surface with excellent corrosion resistance.
• Cerakote: Known for its exceptional durability, scratch resistance, and vibrant color options.
• Titanium: Lightweight and incredibly durable, suitable for high-performance lifting.
• Powder Coating: Provides a textured finish for enhanced grip and durability.
• Cataforesis: A corrosion-resistant coating that ensures long-lasting protection

Knurling and Knurl Marks

Knurling refers to the textured pattern on the barbell’s grip area. Kingsbox offers different types of knurling to suit various preferences:

• Fine Knurling: Provides a less aggressive grip, suitable for those who prefer a smoother feel during lifts.
• Medium Knurling: Strikes a balance between grip and comfort, offering moderate aggression for most lifters.
• Aggressive Knurling: Delivers maximum grip for advanced lifters and those who prefer a more secure hold.

Additionally, some Kingsbox barbells feature central knurling, which provides extra grip during movements that involve resting the barbell on the body, such as squats. The Hybrid Bars come without central knurling. That is because the hybrids are designed for functional and cross-training where high repetition sets of exercises are the norm. Athletes doing high reps could hurt their knees or sheens if there was a central knurling.

Tensile Strength

Tensile strength refers to the maximum amount of weight a barbell can withstand before it permanently bends or breaks. The tensile strength test is a process that tests how much pressure it takes for a barbell to deform permanently. It is measured in Pounds per Square Inch (PSI).

Kingsbox barbells come in different tensile strength ratings, allowing you to choose the appropriate level of durability for your training intensity.

Good quality barbells start at 165.000 PSI. When the PSI goes above 190.000 we start talking about supreme-quality barbells. The rule is: the higher the PSI, the higher the price.

180.000 PSI: QUEENS BAR OLYMPIC BARBELL (217,31€)

190.000 PSI: KINGS BAR II. OLYMPIC BARBELL (242,78€)

195.000 PSI: THE C BAR – WOMEN’S OL BARBELL (298,9€)

205.000 PSI: GOLD BAR (336,72€)

215.000 PSI: ROYAL WL BAR II. (771,65€)

Choosing the Right Barbell for You

Now that we’ve explored the different types, coatings, knurling, and tensile strength, let’s recommend five Kingsbox barbells suitable for various fitness goals:

• EUROPE BAR

This is a hybrid barbell for all types of training. Whether you plan on weightlifting or powerlifting, this barbell will serve its purpose. It is made from high quality steel and coated in durable hard chrome. You can get it at a very affordable price.

• ROYAL WL BAR II.

If you prefer weightlifting and you’re looking for a special and excellent barbell, this is the one for you. It is made from the highest quality steel for the most demanding athletes. That’s why it’s a little more expensive.

• UNDERGROUND POWER BAR

Of course we need to highlight the best powerlifting barbell too. It is perfect for performing squats, bench press and dead lifts, where knurl marks ensures a good grip. The central part is coated in black zinc while the sleeves are chromed. The bar also has central knurling.

• EUROPE BAR CERAKOTE – BUSHING SERIES

Again, if you’re looking for a good hybrid barbell at an affordable price, but you’re also a visual person and matching outfits with your barbell means a lot to you, cerakote bars are for you. In addition to the Europe bar, you can also find a Kings or Queens bar.

• KINGS BAR II. OLYMPIC BARBELL

It would be a sin not to mention and recommend this one. It is the top selling barbell. Why is it a bestseller? For a very reasonable price you can get a good quality hybrid barbell. It has four needle bearings that ensure smooth and uninterrupted rotation. It is made of steel with high flexibility and durability (190,000 PSI) and is covered with a hard-chrome coating that protects against external factors.

Conclusion

Selecting the right Olympic barbell is essential for maximizing your strength training and weightlifting endeavors. Consider your specific needs, experience level, and training style when choosing a Kingsbox barbell, and elevate your performance to new heights.

Note: Make sure to explore the complete selection of Kingsbox barbells on our website. If you still don’t know what to buy, you are welcome to contact our team directly for personalized advice on selecting the perfect barbell for your specific requirements: info@kingsbox.com

The post The Ultimate Guide to Olympic Barbells: Choosing the Right One for Your Fitness Journey appeared first on Kingsbox.

As a Strength & Conditioning Coach and Personal Trainer, I train athletes who are also very different from each other: from sportsmen to natural bodybuilders, through functional training enthusiasts and powerbuilders, athletes halfway between bodybuilding and powerlifting.

What is the leg extension for

The primary purpose of leg extension is to increase muscle mass and muscle strength of the quadriceps muscles.

It’s an exercise that’s rarely missing in my training proposals: whether you do A.I. bodybuilding or follow any of my training cards, it’s almost certain you’ve come across it.

From rehabilitation to performance, through the increase of muscle hypertrophy, leg extension has always been used in gyms around the world and in rehabilitation studies.

I personally love the gym environment, and despite having a home gym by Kingsbox, I prefer to train right in the gym, among athletes and colleagues.

I really like the atmosphere and being around people.

Leg Extension at home

Many others, however, prefer to train in home gym: they love to have their own time, their own spaces, be able to put the music they want, or something on TV while they train.

There is no right or wrong: everyone rightly must find his own way, and what allows him/her to be as constant as possible, because the quality of training is not enough, but you must also train often, and possibly for a lifetime!

Unfortunately a huge limitation of home gym is just the lack of equipment available: you need several tools, in a space that is never as large as you would like.

One of the rarest things to find in a home gym, even among the best, is a leg extension.

Royal Leg Extension solves this problem very well as I have been experiencing for so many years of training.

It is not simply a “leg extension”, but much more: it is more because you can connect it directly to your rack, and this is a great strength.

It reduces the space requirement, which in home gym is essential.

Not only that, but: thanks to the Royal Leg Extension you can perform, sitting on a pliometric box maybe, the sitting leg extension, but you can also use the attachment to perform the standing leg curl.

It basically acts as two machines in one, using little space, and working great.

It’s a really useful tool, therefore: whether you do functional, bodybuilding, powerlifting or other disciplines that require a high muscle mass and muscle strength of quadriceps.

How many sets and repetitions to do

From 3 to 5 training series, between 6 and 12 repetitions about, turn out to be a good starting guideline, coming very close or total muscle failure.

This is because the leg extension is an isolation exercise, from which it recovers relatively quickly, and which therefore we can afford to do to subsidence, even more than once a week.

The exact number of sets and repetitions, frequency and progression over the course of weeks will depend on the level of the athlete and his specific purpose, but these can certainly be excellent guidelines.

Why not doing fewer repetitions with more load?

This is not necessarily a mistake, but many coaches and trainers, myself included, prefer to use the machines in a slightly higher repeating range to increase the total work volume and tonnage, while maintaining high movement quality, much easier than barbell exercises.

Conclusion

The Royal Leg Extension Kingsbox solves a problem that many have had for so many years: being able to do leg extension and leg curl at home.

The quality is high, the bearing is generous on the legs, and the versatility and durability is high.

A tool that I feel I can strongly recommend to bodybuilders, athletes and sportsmen of all kinds, as well as powerbuilders and powerlifters who feel the need to also use machines, and not limited to barbell and dumbbells, to train the muscles of the legs.

Author:

Nicholas Rubini, Strength & Power Coach

BSc in Strength & Conditioning

The post Leg Extension at home, now you can, with Royal Leg Extension appeared first on Kingsbox.

Depending on the type of training, and the (home) gym you want to create, you can choose between different bars. Barbells are not all the same for men, women, and junior lifters. They vary in weight, diameter, and overall bar length:

• Men’s barbell; weight: 20 kg, length: 2200 mm, diameter: 28 mm
• Women’s barbell; weight: 15 kg, length: 2010 mm , diameter: 25 mm
• Juinor bar: weight: 10 kg, length: 1700mm, diameter: 25 mm

Types of barbells

There are three primary types of barbells available; Olympic WL bars, powerlifting bars, and dual-marked, multi-purpose bars. We can divide barbells according to the types of training.

• Cross training and functional workout
• Weightlifting
• Powerlifting

However, there are hybrid barbells that can be used for all these types of sports. These barbells are suitable for the Olympic lifts, cross-training as well as powerlifting and weightlifting.

Important parameters while choosing the right barbell:

• Knurling– Most of the 20 kg barbells have a central knurl, which is not common with 15 kg barbells.
• Elasticity– For example, power bars are very rigid and with little elasticity. On the contrary, the Olympic bars are more elastic.
• Rotation;This describes which component(s) are used to permit the sleeves to freely spin around the shaft. Pay attention to the description of each bar – some use needle bearings, some bushing.

Barbell coating

• The classic durable chrome

We offer various barbells with classic chrome coating.

KINGS BAR II. OLYMPIC BARBELL

• Cerakote coating allows you to customize your bar with different colors.

This is a  Polymer-Ceramic Composite coating. The unique formulation used for Cerakote ceramic coating enhances several physical performance properties including abrasion/wear resistance, corrosion resistance, chemical resistance, impact strength, and hardness.

Choose between different colors of cerakote barbells. You can also choose between chrome and black sleeves.

CERAKOTE BARBELLS:

• Cataphoresis – the bar is covered with a technique that is commonly used in the automotive industry to protect the most delicate parts of the car. This means that the barbell will withstand years of training

Take a look at the Made in Europe barbell covered with cataphoresis. It is made out of quality steel with a tensile strength of 180 000 PSI and a load capacity of 450 kg.

EUROPE BAR:

Which barbell to choose?

In our collection of barbells, we are sure you will find the one, that will fit perfectly into your training type. If you need some more advice, write us at info@kingsbox.com and we will be happy to help you!

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