A539. All Advantages at a Glance The YOKOHAMA A539 is the successor to the A520‘s crown, YOKOHAMA has built on the high performance of the A520 to produce the A539. The asymmetrical tread pattern of the A539 gives outstanding stability when cornering, allowing you to experience the exhilaration of driving to the full. Providing stable sporty performance, the A539 guarantees superb traction on dry and wet surfaces. The A539 is tough and durable, giving longer lasting stronger performance. Excellent Drainage Even In The Heaviest Rain Helical grooves offer the same drainage effect as regular straight grooves. Acute grooves provide improved lateral drainage capabilities. Wide, straight grooves on the shoulder provide excellent drainage during cornering. Stronger Grip In The Dry High-rigidity blocks on the shoulder help the tyre to maintain ist shape during cornering, thereby maintaining traction. YOKOHAMA´s outstanding asymmetrical tread desgin provides firm grip in the dry. The wide tread also improves handling. Stronger Grip In The Wet The outstanding wet-surface performance of the A539 derives from a super-traction compound based on YOKOHAMA´s silica technology. Previously, silica did not disperse readily, making it difficult to use in compounds. To overcome this, YOKOHAMA developed its Zeruma, a special processing agent that allows an ideal diffusion of silica in rubber. The all-round sports tyre Sure Grip in the wet. The advanced silica compound of the A539 guarantees superb traction, even on the most challenging surfaces. Low Noise, Improved Comfort. The A539 provides the performance of a leading sports tyre with the minimum of noise. Miles better for user satisfaction. The A539 is tough and durable, giving longer-lasting stronger performance. *By request/order.