Patent 9814931 was granted and assigned to Kurt Manufacturing on November, 2017 by the United States Patent and Trademark Office.
A bicycle trainer includes a roller support assembly and a roller positioned about the roller support assembly wherein the roller includes an aperture. A fixing member is disposed in the aperture to secure the roller to the roller support assembly allowing rotation of the roller. An element capable of being sensed disposed in the aperture and a sensor is positioned within the trainer at a stationary location wherein the sensor is configured to sense the element and provide a signal indicative of rotation of the roller.