Vittoria TiresCorespun K 320 tpi casing with a blend of polycotton and Kevlar threadsKevlar 3-D compound with added silica treadPRB (Puncture Resistant Belting)Road Racing/Time TrialsItem SpecificationsWeight210gPSI115-145PSITire BeadFoldingISO Diameter622 / road / 29"ISO Width23mmLabeled Size23Color Tread/SideBlack/RedTire TypeClincherTire Diameter700cTire UseRoadDefined ColorRed