Kumho Is The Official Tire Of The NBA. The Kumho LX Platinum KU27 All-Season Tire - 215/45R17 91W is built with high dispersion nano silica compound improves wear resistance throughout the life of the tire. Kumho Escot casing technology optimizes cord tension distribution in the sidewall for the improved steering response and long tread life. Impressive low-noise and high-comfort attributes are a result of engineering focused on blending the very best of pleasure with performance to complete the all-season, grand touring experience