Carmichael Training Systems CTS Train Right Mountain Biking DVD. * In only a 60-mintute workout you will develop your VO2 system and improve your ability to handle the physiological demands of mountain bike racing and trail riding ! * Develop the ability to produce repeatable high-power efforts * Accentuate a 360 degree pedal stroke to handle the dynamic terrain of mountain biking. * These workouts and techniques are applicable to all cycling levels !