The Wattbike is extremely accurate. The amount of power produced is calculated from the force applied to the chain through the cranks (sampled 100 times a second).
Each Wattbike is factory calibrated and is accurate to within +/- 2% over its full range
Endorsed by Cycling Australia, the Wattbike is a truly unique indoor bike.
Developed in a world class environment to allow everyone from complete beginners and fitness enthusiasts to Olympic and World Champions to experience the same ultimate training device.