The AERO 111 also incorporates all the winning technologies from the GP5000 TR Family: Black Chili Compound for superior grip and minimal rolling resistance, coupled with the trusted Vectran Breaker for added puncture protection. It&';s the ultimate aerodynamic tire - without compromise. Aero, grippy and fast: It is the go-to tire for road cyclists who know that every watt counts Vortex Generators allow for the reduction of aerodynamic drag of the entire wheel-tire-system Improved handling in crosswinds through enhancing the sailing effect Vectran Breaker for unparalled puncture protection Now available in sizes up to 32-622 The combination of all these features means on top of the low aerodynamic drag, the AERO 111 offers low rolling resistance, good puncture resistance and exceptional grip in both wet and dry conditions.