Competition Kettlebells Custom Set
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Competition Kettlebell Custom Set

Craft your own personalized Competition Kettlebell Custom Set by choosing a minimum of 3 bells, and get 10% off.

  Product Quantity

4KG Competition Kettlebell


In stock

6KG Competition Kettlebell


In stock

8KG Competition Kettlebell


In stock

10KG Competition Kettlebell


In stock

12KG Competition Kettlebell


In stock

14KG Competition Kettlebell


In stock

16KG Competition Kettlebell


In stock

18KG Competition Kettlebell


In stock

20KG Competition Kettlebell


In stock

24KG Competition Kettlebell


In stock

28KG Competition Kettlebell


In stock

32KG Competition Kettlebell


In stock

36KG Competition Kettlebell


In stock

40KG Competition Kettlebell


Out of stock

44KG Competition Kettlebell


In stock

48KG Competition Kettlebell


In stock




Competition Kettlebell Custom Set – 4kg-44kg By B.o.S

Competition kettlebells are perfect for any kettlebell workout. Originally designed for use in Kettlebell Sport (or GS, short for Girevoy Sport), they are now commonplace in gyms across the country.

Kettle bells are the Best Workout Tool for an All-in-One Workout

The main benefits of training with kettlebells is that they are:

  • Excellent for full body workouts, exercises involving kettle bells focus on working the various muscle groups at the same time. While dumbbells are just commonly used for regular isolation exercises, such as curls and lateral raises.
  • Are very time efficient, with kettlebell workouts typically lasting less than 30 minutes.
  • Kettlebell workouts train your strength and conditioning at the same time.

Note: Because of the hollow cast system, 4, 6 and 34-46kg have 33mm handles and are not hollow core. | Warranty: Lifetime

Competition kettlebells are the best kettlebells you can buy:

  • Window size
    On competition kettlebells from 10KG – 32kg and the 48kg the window is 60mm, creating an easier insertion and superior comfort in the overhead and in the rack position. The more comfortable you are, the more reps you will be able to pump out. Though a 60mm window is superior for those with kettlebell experience, the 4, 6 and 8KG bells have a 58mm window, which is optimal for those new to kettlebells.
  • Handle
    On competition kettlebells from 10KG – 32kg and the 48kg have a 35mm diameter handle which is the international standard. The larger circumference will also reduce the risk of hand tears by creating a larger surface area to press on and for experienced athletes to relax their gip, whereas on a 33mm handle people have a tendency to squeeze too hard. On the starter bells 4, 6 and 8kg they have a 33mm handle to help beginners get adjusted to using the kettlebell before they progress to competition sizes.
  • Awesome Quality
    Perfect Bells of Steel competition kettlebells are gravity cast as one piece and have no welding, which creates an excellent surface finish and superior dimensional accuracy. They will last you a lifetime.
  • Legal for Kettlebell Sport competitions
    Meets Girevoy Sport Union (GSU), IKFF and International Union of Kettlebell Lifting (IUKL) standards.
  • Hollow Core
    Using a dual cast process, two moulds are used to create the competition kettlebell leaving it hollow in the middle. This make for an unbeatable balance as well as never having the dreaded “kettle rattle” you can get in bells that have scrap metal welded inside that can come loose after many drops.
  • Ergonomic design
    This competition kettlebell has been optimized to allow the athlete (a Girevik) to perform the maximum amount of repetitions in a competition. The shape of the bell makes it more comfortable when performing kettlebell exercises like the kettlebell swing. The design of the competition kettlebell also helps to prevent injury.
  • Uniform size
    Regardless of weight, so you don’t have to continuously adjust your lifting technique as you move up in weight.
  • Colour coded
    So you always know which competition kettlebell is which.

the basics

Check out our free 7 part video series “Kettlebells for Absolute Beginners”

Customer Reviews
4.8 Based on 99 Reviews
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Jason B.
Canada Canada
  • My Fitness Goal Is: Overall fitness

Looked used right out of the box

They seem pretty solid but was disappointed that the paint was already coming off and they looked used right out of the box.


Bells of Steel

Hi Jason, Thank you for reviewing our competition Kettlebell custom set. We are sorry to hear about the paint chipping and used appearance straight out of the box. This is certainly not how we intended this product to arrive new. I will be reaching out to you shortly to see how we can rectify this. Sincerely, Marcus & the BoS team

Tamieca M.
  • My Fitness Goal Is: Improve and maintain strength

Great Quality Kettlebell

While I have several kettlebells already, this is my first Competition style. The quality of this kettlebell and the service provided by Bells of steel are both great. I'll be a returning customer, and will recommend this company to friends, for sure.


Bells of Steel

Hi Tamieca, Thank you for reviewing our 6KG kettlebell. We highly appreciate your positive feedback and your 5 star review ! We cant wait to serve you again! Sincerely, Marcus & the BoS team

  • My Fitness Goal Is: Obtain and maintain a higher level of personal fitness for older sdults.

Kettlebell training is a valued modality for improving fitness.

By way of background, I am a personal trainer and recently completed the Human Kinetics course "Second Edition, Kettlebell Training" by Steve Cotter. It is my desire to include this training modality into my personal and client training. I very much appreciate the quality of your product and your desire to exceed your customer’s expectations.


Bells of Steel

Thanks for the 5 Star Review! Great to hear that you are happy with the quality of your kettlebell! We hope you enjoy using it in your training and with your clients! Happy lifting! Brandon and the B.o.S. Team

scott m.
  • My Fitness Goal Is: To continue to fight father time

Great Bells

As usual the quality is top notch on these bells.


Bells of Steel

Hey Scott, Thank you for the review, Enjoy all the gainz! Yours in strength, William & the BoS crew

  • My Fitness Goal Is: strength and conditioning

Pretty good bells

I have used kettlebells since the begining of the pandemic. When I needed to go up in weight. These seemed like a good option. I am generally happy using the BoS competition bells. My only complaint is that while the photos of the bells, the handles appear to have a pitted texture to help hold chalk. In reality the handles of the bells are completely smooth. As a result they do not hold chalk as well as I hoped.


Bells of Steel

Hey there! Thank you for the review, we are happy to hear you liked the Kettlebells and that they helped you keep strong during the pandemic. As for the handle, they are smooth but the bare steel finish is meant to increase grip when in use, even with chalk. Enjoy the gainz! Yours in strength, William & the BoS crew