Vittoria corsa evo cx ii tubular tyre corsa cx has proved successful in road races all over the world but the new evo version is bound to even greater success with a handmade tubular structure for superior performance and comfort it has also got a special latex inner tube that increases its elasticity and puncture resistance further features are the 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