Volkl-Super G V1 OS Tennis Racquet-() The Volkl Super G V1 Oversize Tennis Racquet is a great choice when wanting a large sweet spot, but also needing control. This frame combines power with control, maximizing the overall feel from all areas of the court... Super G Grommet Technology | Bio Sensor Technology | Optispot Technology Size - (4_1/2) | Color - (See Description) Authorized Volkl Dealer. All racquets are strung and ready for the courts! SEE SELLER DETAILS FOR RETURN POLICY.