Steve Larsen designed the Oriflamme specifically for hard terrain NORBA NCS cross country and short track courses. Diamond knurled center pattern provides effortless acceleration to speed and the Oriflamme"s low, slightly arced semi-knobs perform to give braking and acceleration. Low rolling resistance tire designed for hardpack race coursesItem SpecificationsWeight585gPSI35-65PSITire BeadFoldingISO Diameter559 / 26" mtnISO Width50mmColor Tread/SideBlack/BlackTire TypeClincherTire Diameter26"Tire UseMountain