Volkl-Super G 2 Tennis Racquet-() The Volkl Organix 2 Super G Tennis Racquet offers a tremendous blend of power, control and feel with very little effort and next to no unwanted vibrations. With technologies such as Organix, Catapult Effect, optispot and Biosensor, you have a high comfort, high powered racquet... Catapult Effect Technology | 115 Square Inch Headsize | Zero Vibrations Size - (4_1/4) | Color - (See Description) Authorized Volkl Dealer. All racquets are strung and ready for the courts! SEE SELLER DETAILS FOR RETURN POLICY.