Ask the Stringer: Do Tennis Racquets Ever Wear Out? Should I Replace M – Holabird Sports
Tennis Racquets 101: How to Choose a Racquet
Wilson Tennis on Twitter: "Stiffness: How much the racket frame flexes on contact Less Stiff=More Control More Stiff=More Power We measure Stiffness using the Stiffness Index (SI) Test. The more the racket