Diadem Nova Lite 100 FS The Diadem Nova Lite 100 FS tennis racquet is perfect for players who want explosive power in a lightweight frame. A spin-friendly 16×19 string pattern provides easy access to spin and adds a punch to your groundstrokes. Impact shield technology in the FS system adds comfort to a powerful frame. For players who want hit massive shots past their opponent, the Diadem Nova Lite 100 FS is your new secret weapon! Racquet Technology Impact shield uses a proprietary foam injection inside the frame to reduce vibration at ball contact. HMT Carbon Mapping aligns the fibers in a way that enhances strength and power of the frame. Works with the proprietary resin to produce a more stable uniform flex in the racket frame. Flex Stabilization uses a patent-pending rib structure in the interior of the racquet frame for power and stability. This combines with high density foam and HMT carbon to provide a superior feel.