HEAD Extreme 145 Squash Racket - 2025Weight 145g Head Size 495 CM2 Balance Head Light String Pattern 12x17 Description; With its 145g frame, the EXTREME 145 SQUASH RACQUET delivers astounding stability and control, as well as power, making it the ideal racquet for beginners. While the frame construction ensures excellent power transfer, the Innegra technology, a hybrid composite structure which is integrated into the racquet, supplies advanced shock absorption and enhanced stability.