The Crono EVO CS is a time trial tubular with ultralow rolling resistance and a recordbreaking low weight. Super low weight, timetrial tubular Corespun K 320 tpi casing with a blend of polycotton and Kevlar threads 42mm RVC valve Tire Use Road Color TreadSide Black Tire Type Tubular Tire Diameter 700c ISO Width 20 mm ISO Diameter 622 road 29 Tire Bead Folding PSI 100 120 PSI
