Here is a good articles from cyclingnews to show the difference between Rim and Disc brakes. In my opinion, they have no room on TT bikes unless it is a bike course with very steep downhills. I prefer rim brakes where there is no constant touching and rubbing of the brakes. Train safe 🙂
Disc brakes vs rim brakes
5x AG World Champion, Sub 9h Ironman athlete - Stephane originates from Belgium and spent many of his early years racing triathlon there. It is in Belgium through the influence of his parents that he fell in love with the sport. A natural competitor Stephane became a student of the sport always searching for ways to give him an edge over his competition. This constant study and striving for improvement has naturally progressed into a passion for coaching triathlon and its individual disciplines.