Designed for Advanced Players.The Nanoflare 1000 series is specially for additional shot and swing speed with agility.The Wide Profile Frame paired with the Sonic Flare System generates high repulsion on impact while reducing air resistance.The nanoflare series is characterized by its head-light construct.Head-light frames are speedy and maneuverable. FASTEST SMASH EVER-The racquet with the fastest ever smash in Yonex Badminton history. REPULSION-Instant shuttle acceleration with the new frame shape and improved swing speed Highlight M40X-A next-generation highly strong, yet elastic carbon fiber developed by Toray Industries, Inc. EX-HMG-Provides sharper power for all your shots SPEED- ASSIST BUMPER-The SPEED-ASSIST BUMPER is a connected grommet containing highly rigid material that is resistant to warping. They are attached to the lower part of the frame to reduce frame warp and improve repulsion performance. Technology: Aero Frame, Compact Frame, Energy Boost Cap, Isometric, Nanometric DR, New Built In T-Joint, Solid Feel Core, Sonic Flare System, Super Slim long Shaft, Ultra PEF Material Flex Extra Stiff Frame HM Graphite,NANOMETRIC DR,M40X,EX-HYPER MG Shaft HM Graphite / Ultra PE FIBER