Casing profile optimized for excellent feedback and handling. Compounds for maximum wet grip: more than 4.5 seconds per lap faster on a wet track than Michelin Pilot Power 2CT tires Semi slick tread design maximizes contact patch for excellent dry grip: more than 4 seconds faster on a dry track than Michelin Pilot Power 2CT tires 20% more tread life vs. Michelin Pilot Power 2CT tires