Race level performance at an entry level price Race level performance at an entry level price Classic Lugano tread now with improved Silca compound, K-Guard belting, and smooth yet durable 50 epi carcass KGRD - Layer from natural rubber, reinforced with Kevlar fibers - the protection standard for every tire from the Active Line LTSKN - LiteSkin - Light, thin sidewalls. Advantages: Weight saving and reduced rolling resistance