Yonex nanoray 70 dx badminton racket this yonex nanoray 70 dx badminton racket is suitable for advanced players offering quick repulsion and high tension stringing for maximum power the isometric head increases accuracy of shots while the thinner top of the frame minimize air resistance for greater head speed and the thicker bottom generates maximum repulsion the new aero frame meanwhile provides a fast and controlled swing the racket is finished off with yonex branding for a great look