The head graphene xt radical junior tennis racket is a junior version of andy murrays racket designed especially for more advanced young tennis players made of graphene its outstandingly strong and light but provides the power of a heavier racket its head light balanced frame makes it easier to swing and a 100in2 645cm2 head size ensures more forgiveness thanks to a 16x19 string pattern juniors can play game with more powerful shots and dynamic spin the racket is supplied strung with a