Michelin Pilot Street Radial - the best wet grip in the category

Another variant available at the launch is this Michelin Pilot Street Radial. As the name suggests, this Pilot Street Radial is made with radial-ply type compared to the Pilot Street that is made using bias-ply. What is the difference if you might ask. Here I embed a video to explain about it and you can watch it for better understanding of the differences: Then, you might ask what is the