Race tire with grooved side tread for traction. Iron cloak for puncture protection. L3R pro compound for extended tread life. Race tire with grooved side tread for traction. Iron cloak for puncture protection. L3R pro compound for extended tread life. L3R - L3R Pro is Kenda?s most versatile compound, benefits are a light-weight, fast rolling compound and increased tread life IC - Iron Cloak, Kenda`s best puncture resistant material, a blend of Aramid fibers, is laid up on the tire casing from bead to bead