Yonex Nanoflare 500 Badminton Racquet locates the string on rounded archways that eliminate stress-load and fatigue through contact friction. This nylon, aluminium and graphite/steel construction creates total unity of the string and frame through closer and tighter contact. Engineered for players who looking to command the rally with maximum speed and effortless force. The careful combination with the sonic flare system helps increase repulsion while softening the impact on the arm, providing increased shuttle speeds with an effortless swing. The black coloured aero frame built to reduce air resistance for speed and acceleration. Uses a triad of a new system, a new material and a new frame shape to bring a new dimension to badminton. Specification: Flex – Medium. Frame – HM Graphite, Nanocell Neo, EX-HMG. Shaft – HM Graphite., Joint – Built-in T-Joint. Length – 10mm longer. Weight/Grip 5U (Avg. 78g). String Advice 5U 19-26lbs. Color – Matte Black.