TECTONIC 7I badminton rackets are built on the TECTONIC Technology Platform and are produced from a special light weight T1100G carbon fiber that delivers incredible recovery times and strength. This high-modulus carbon fiber offers substantial performance improvements over other carbon fibers and can be found in aircraft structures, rocket launchers, high end sporting goods and more!Li-Ning INSTINCT Series badminton racket weighs less than 80 grams, features a flexible shaft and is engineered to facilitate a fast attack style of play. Suitable for players looking for a light weight racket with aggressive speed and agility. Strings not included. Please contact us for professional stringing services performed on a cutting edge Li-Ning electronic stringing machine using your choice of best-in-class Li-Ning badminton strings.