HEAD MicroGel Radical OS Prestrung Tennis Racquets 232320 Tennis Head Microgel Radical Team Tennis Racket, Sports Equipment, Sports HEAD Microgel Prestige Pro 3 Minute Tennis Racquet Review USTA Junior Head MicroGel Radical MP Tennis Racquet Pre Strung 27 Inch Head Microgel Extreme Pro Tennis Racket, Sports Equipment, Sports. The HEAD MicroGel Tennis Racquet is designed for players seeking precision and power. Featuring MicroGel technology, this racquet offers enhanced stability and a solid feel. Its red and white frame is both stylish and aerodynamic, making it ideal for competitive play. The racquet is used, showcasing some inevitable signs of wear but still maintains its structural integrity. A perfect choice for intermediate to advanced players looking to improve their game, especially in terms of control and spin.