Michelin Pro3 Race Road Tire - DIGITAL BLUE The Pro3 delivers a 20% increase in grip in a straight line and a 27% increase in grip when cornering compared to the Pro2 High-density HDDP reinforcement under tread to reduce the risk of puncture Dual-compound technology gives more grip in the corners and less rolling resistance in the straights 127 tpi 87-116 psi 200 grams