The Corsa CX has proved successful in road races all over the world, but the 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.Classic pro racing tubularHandmade for superior performance and comfortKevlar 3-D compound with added silica treadLatex inner tubeCorespun K 320 tpi casing with a blend of polycotton and Kevlar threads42mm removable RVC alloy valvePRB 2.0 Puncture-Resistance BeltingItem SpecificationsWeight245gPSI100-200PSITire BeadFoldingISO Diameter622 / road / 29"ISO Width21mmLabeled Size21Color Tread/SideRed/BlackTire TypeTubularTire Diameter700cTire UseRoadDefined ColorRed