Concept 2 are industry leading manufacturers of fitness machines. They are best known for their rowing machines, which are seen in many gyms today, and are considered to be the standard for training and competition testing. As well as this, Concept 2 have popularised the use of air resistance through their skierg and biking cardio machines. The skierg builds endurance adaptations, specific to that of nordic skiing. Whereas the bikeerg builds on the quality and accuracy of both the skierg and rowerg and applies it to cycling.
