Tecnifibre TF-X1 275 V2 Tennis Racket - 2025Head Size 105 Sq Inches Weight 275g Balance 330 mm String Pattern 16 x 19 Description; Maximum power and comfort with the TF X1 275 tennis racket. To boost power, all the racket frames have been designed with rigid ergonomics so that they stay firm on impact for maximum energy return. But the more rigid the frame, the more vibrations which can be harmful for players' arms. Tecnifibre's unique solution: X Damp, the technology developed with TecniLab,