The Head Graphene Cyano 115 is head heavy balanced to provide more stability, power & spin. It has a 77.5in 2 (500cm 2) head & is strung with the Evolution Pro string ensuring outstanding playability & durability. The racket offers a 12x 17 string pattern & weighs 115g (4oz). The Corrugated Technology guarantees extra power on every shot, while the Graphene technology makes the racket lightweight, extremely manoeuvrable & easy to swing. Graphene is the worlds strongest & lightest material which enables even more powerful shots.