Diablo Supercorsa Pro Race Tires Supercorsa Pro tread range underlines the strong commitment of Pirelli as Official Tire Supplier of Supersport World Championship, setting new boundaries to the performances of race-track tires new 120/70-17 front with a sharper profile for more precise tip-in, line holding and cornering speed at professional levels Stretched 180/55-17 rear tread design for more stability in performance lap after lap and regular wear Race-driven materials and compounds for a wide range of applications from fast laps to endurance races