ARCSABER Z-SLASH YONEX Badminton (Racquet Unstrung) ARCSABER racquets store up energy during the shot, allowing you to attack with pinpoint accuracy. For players seeking a higher level of control Increased durability and improved flexability allow the frame to return back to its original shape faster. Positioned at the sides of the racquet, CS Carbon Nanotubes improve the frame's elasticity. Z-SLASH WORLD RECORD SMASH SPEED 421 km/h ARCSABER Z-SLASH: The challenge of achieving Zero air Resistance. The first racquet from YONEX with a compact frame. The smaller frame size further reduces unwanted air resistance and improves feel.