Book excerpt: "Sportbikes today handle better than pure racebikes did just a few years ago. Their sophisticated, versatile suspension offers countless combinations to find the handling that's right for you. This book will help you hone and perfect your suspension for high-performance street riding and track days. Discover the right way to set spring and damping adjustments, and adjust ride height for greater steering responsiveness and traction. Suspension specialists from professional racing and the aftermarket also offer their insights on useful modifications."--Publisher description.