HEAD-Graphene XT Speed Rev Pro ASP Tennis Racquet-() The New Head Graphene Xt Speed Rev Pro Asp Tennis Racquet Head Racquets Graphene Infused Frame | Adaptive String Pattern Technology | Updated Cosmetics Size - (4_1/4) | Color - (See Description) Authorized Head Dealer. All racquets are strung and ready for the courts! SEE SELLER DETAILS FOR RETURN POLICY.