A development of BRYCE SPEED, a rubber to give extra control. BRYCE SPEED FX uses the same rubber as BRYCE SPEED but it possesses a softer and more flexible sponge, the effect is greater control. BRYCE SPEED FX is one of the new generation of rubbers produced by Butterfly High Tension Technology; it is suitable for both club players as well as high class internationals. * This is a highly delicate product. You are recommended to protect the rubber surface with a Rubber Film by Butterfly or a similar product after a match or a practice. Speed: 14 Spin: 9.75 Density: 32