Xpeed Competition Kettlebells Xpeed Competition Kettlebells are made from steel and are designed to meet the criteria of International Kettlebell Competitions. They provide better ballistic abilities for the athlete due to the larger mass in the body of the kettlebell. As a result, this allows more natural movement and rotation throughout KB exercises. One of the key differences between Competition Kettlebells and regular kettlebells is that they are universally sized, which means it is easier to maintain the same techniques as you move up in weight. The slimmer handle also helps to prevent fatigue and lateral slippage. Why use Kettlebells? Kettlebells are used the world over for general fitness and strength and conditioning. Due to this displacement you’re forced to use more of your stabiliser muscles which means you’ll work the muscles you are targeting through a longer range of motion. They’re the perfect piece of equipment to add to your training regime as you can use them for full body workouts.