Simply a tough, durable efficient, no nonsense tire, the Michelin Dynamic is a smart choice for everyday riding.33 tpi casing, semi-slick tread designStrength and durabilityTread compound formulated for long mileageItem SpecificationsWeight290gPSI80-100PSITire BeadSteelISO Diameter622 / road / 29"ISO Width23mmLabeled Size23Color Tread/SideBlack/RedTire TypeClincherTire Diameter700cTire UseRoadDefined ColorBlack