Performance Process is back after a Tour de France-shaped gap. In this episode, CyclingSpy returns to unpack the most intriguing performance trends from the Tour de France and Tour de France Femmes. From new helmet wars and front versus rear zippers, to sprinter aero testing and the mountain time trial that became a masterclass in simulation modelling and equipment selection, we explore how optimisation is shifting from behind-the-scenes intervention to full-blown marketing strategy. Plus, we tackle your questions on oversized chainrings and wet weather aero.