The slick racing tyre with differential grip. Handmade for superior performance and comfort. An innovative slick design from Vittoria's constant RD initiatives: 15% roughness centrally , for minimum rolling resistance 30% side roughness for safer cornering. Kevlar SiO2 3D Compound with added silica, for reduced rolling resistance and better grip in the wet. Our new high density casing a true 320 TPI equivalent to over 1.200 threads per decimetre! delivers unbeatable comfort and superior performance with inflation pressure of up to 200 psi! New PRB 2.0 puncture resistant belting placed underneath the tread increases the flat prevention properties of the Open Corsa Evo Slick up to 40%, even while reducing the weight.