The Sidea kettlebell range comprises three distinct lines — Iron Black, Competition and Vinyl — plus an adjustable kettlebell, designed for settings ranging from professional gyms to advanced home gyms, with consistent build quality across every range.
Three ranges: painted cast iron, competition-grade steel, vinyl-coated
Adjustable kettlebell and dedicated rack to make the most of the space
Certified StrongFirst range, ideal for strength and kettlebell sport programmes
Kettlebell Strong Competition & vinyl
Kettlebell Strong Competition & vinyl
Kettlebell Strong Competition & vinyl
Kettlebell Strong Competition & vinyl
Kettlebells: the Sidea selection
The kettlebell is a piece of equipment that allows for no compromises in its construction: the handle, surface finish, weight tolerance and body shape directly determine the quality of the movement, particularly in ballistic movements such as the swing, snatch and clean. The Sidea range comprises nine models covering the three established types — cast iron, competition and vinyl — plus an adjustable kettlebell and storage accessories. Each line is designed for a specific context of use, with construction specifications tailored for continuous professional use, not for display in showrooms.
Who is kettlebell for?
The ways in which they are used are more varied than one might think. In commercial gyms and training studios Functional Training, the Iron Black and Competition kettlebells are used on a daily basis by dozens of athletes on a rotating basis: the strength of the cast iron and the standardisation of the sizes are critical factors. A personal trainer working in a studio, on the other hand, tends to put together a compact set ranging from 8 to 32 kg, sufficient for single-leg exercises, Turkish Get-Ups and circuit training.
Kettlebell sport athletes — who compete in GS (Girevoy Sport) disciplines such as the biathlon and long cycle — require competition kettlebells with a standardised handle diameter, verified weight and uniform body, regardless of size. The Competition Kettlebell Sidea meet this requirement perfectly. Anyone training using the StrongFirst protocols — Simple & Sinister, The Program Minimum, A+A — is looking for kettlebells with a specific handle design and certified weight: the StrongFirst range distributed by Sidea is the go-to choice.
For the'home gym And for home gyms, Vinyl Kettlebells offer a practical solution: the coating protects floors and surfaces, and the lighter weights are also suitable for those trying weight training for the first time. The 2187 Adjustable Kettlebell adds flexibility: being able to change the load without having to buy multiple weights is a real advantage when space is limited.
How to choose
The first criterion is the context of use. For group sessions or intensive use in the gym, the durability of painted cast iron (Iron Black) is preferable to vinyl, which can deteriorate over time under repeated strain. For kettlebell sport and structured athletic training, the ‘Competition’ model is the only logical choice: a steel body, consistent weights from 8 to 48 kg, and a satin-finish handle to manage sweat.
The starting weight depends on technical proficiency, not just strength. An athlete starting out with the StrongFirst protocol rarely goes below 16 kg for men or 12 kg for women, but must first consolidate their technique with lighter weights. For continuous ballistic work (snatch test: 100 repetitions in 5 minutes), the competitive range for men typically lies between 24 and 32 kg.
For gyms and personal training studios, choosing the right size set is more important than opting for the most expensive range. A complete Iron Black set ranging from 8 to 40 kg, combined with a Kettlebell Rack Designed specifically for this purpose, it ensures immediate usability and a tidy, organised look in the space. The adjustable kettlebell, on the other hand, is the ideal solution for those seeking versatility whilst taking up minimal space.
Sidea Kettlebell Products
Iron Black Kettlebell (2206-2292): a cast iron range with a matt black finish, available in a wide range of weights. Suitable for intensive use in the gym, strong fitness training and group circuit training. The slightly textured grip ensures a firm hold even without chalk.
Competition Kettlebell (2189–2201 and version outlet (2189V–2194V): steel body with standardised dimensions regardless of weight. Colour-coded by size in accordance with GS international standards. Ideal for kettlebell sport athletes and trainers working with high-volume training programmes.
StrongFirst Kettlebell (2208/1–2248/1): the official range of the StrongFirst system, distributed exclusively by Sidea as the official distributor. The handle geometry is optimised for the method’s fundamental movements: swing, press, snatch and Turkish Get-Up.
Vinyl Kettlebell (2169–2181 and outlet versions 2169V–2181V): coloured vinyl coating, flat, scratch-resistant base. Suitable for home gyms, classes group activity and areas with delicate flooring.
Adjustable Kettlebell (2187): a single-unit adjustable weight system. It reduces the number of pieces required for a functional set, with quick load adjustment. Particularly suitable for home gyms and studios where space is at a premium.
Kettlebell Rack (2185): a vertical storage solution for kettlebell sets. It makes the most of horizontal space and keeps the kettlebells accessible and tidy during training sessions.
Belt with Chain (1709): a belt with a chain for adding external weight during bodyweight exercises. Used in combination with kettlebells in advanced calisthenics and for weighted pull-ups or dips.
Why choose Sidea
Sidea has been distributing kettlebells since 1999 and, from 2024, will be the official StrongFirst distributor in Italy – the strength system founded by Pavel Tsatsouline that has helped set the global technical standards for kettlebell training. This partnership is not a commercial endorsement: it means direct access to the system’s range of certified equipment, up-to-date technical training and a selection based on documented performance criteria. With over 25 years’ experience in supplying equipment to gyms, CrossFit boxes, public sports centres and athletic training studios, Sidea offers direct technical advice to ensure each set is correctly sized, from individual personal trainers to sports centres with dedicated training rooms.
Domande frequenti - Kettlebell
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The cast-iron kettlebell (Iron Black) varies in size in proportion to its weight: a 32 kg kettlebell is physically larger than a 16 kg one. The competition kettlebell, on the other hand, has a constant body size across all weights, with only the internal material changing. This makes it indispensable for kettlebell sport and for those following high-volume ballistic training programmes, where consistency of movement is paramount.
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A functional set for an individual personal training studio typically starts with 5–7 kettlebells: 8, 12, 16, 20, 24, 28 and 32 kg cover almost all clients. Those who also work with advanced athletes add 36 and 40 kg. For a CrossFit box or a gym offering group classes, the requirements change radically: more kettlebells are needed for each weight, usually 6–12 per weight.
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Yes. StrongFirst kettlebells are designed with a specific handle geometry — diameter, handle length and body angle — optimised for the fundamental movements of the StrongFirst system: the swing, press, snatch and Turkish Get-Up. They are not necessarily ‘competition’ kettlebells in the GS sense of the term, but they meet construction standards certified by the StrongFirst training system at an international level.
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It depends on the finish. On Iron Black bars with a textured grip, magnesium isn’t essential for sessions of normal duration. On satin-finished steel competition bars, it can be useful during high-volume snatch sessions to reduce slippage. It should be used sparingly: an excess of magnesium carbonate hardens the grip and may increase the risk of palm lacerations in athletes who are not used to it.
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The StrongFirst guidelines for beginners are: 16 kg for an adult man of average build and 12 kg for a woman, but only once the basic technique has been mastered. Pavel Tsatsouline recommends using a kettlebell one or two sizes lighter than your maximum capacity to establish the correct movement pattern before progressing. The right kettlebell is the one with which you can perform 10 swings with controlled tension without losing your back position.
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Yes, and this is supported by well-established technical literature. Pavel Tsatsouline’s ‘Simple & Sinister’ protocol, for example, is based on just two movements — the swing and the Turkish Get-Up — using a single kettlebell, and leads to measurable improvements in strength and fitness. Kettlebell programmes are particularly effective for relative strength, muscular endurance and functional mobility. To maximise pure hypertrophy, however, they are often supplemented with barbells and weight plates.
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Sidea offers a range of instalment payment options to make it easier to purchase professional equipment. Please see the dedicated page: Payment options Sidea.
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If you work in the fitness or sports sector, register on the website as a Professional or as an ASD to gain access to the price list reserved for industry professionals. Pro registration allows you to view exclusive discounts and special terms across the entire Sidea catalogue.
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Yes, Sidea is an authorised supplier on the MEPA (Public Administration Electronic Marketplace). Public bodies, schools, universities, local authorities and public sports facilities can purchase Sidea equipment via the platform Public Sector Online Procurement. For information on product codes and direct MEPA orders, please contact Sidea customer service.
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Sidea guarantees the right to cancel within 14 days of delivery for all online purchases, in accordance with current legislation. Products must be returned undamaged and in their original packaging. For full details on returns, refunds and the warranty, please see the page Terms and Conditions of Sale.
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Sidea has been designing and distributing professional fitness equipment since 1999: over 25 years’ experience serving gyms, sports coaches, CrossFit boxes, personal training studios and enthusiasts of advanced home fitness. Official distributor StrongFirst e Luxiaojun, which is exhibiting at the FIBO international trade fair and is the technical sponsor of the Summit of Strength. Every product is designed with durability, functionality and suitability for real-world operational contexts in mind. The service Gym Design Offers bespoke design services with 3D renderings. A warehouse covering over 4,000 m² in Gambettola (FC) to ensure rapid order fulfilment, direct technical advice and a special price list for professionals and amateur sports clubs.

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