Kettlebell training is ideal for building strength and endurance because more muscles are engaged in this style of training. Whenever you’re using Kettlebells you’re pretty much doing a core exercise to some degree. Whether its for crossfit, personal training, commercial gym or for home training, Gymstick has your kettlebell needs covered. Choose from three styles - the traditional neoprene cover cast iron kettelbell, a ergonomically curved kettelbell for a more comfortable workout or an economical vinyl kettlebell with workout DVD. The range includes weights from 2kg through to a massive 40kg.