The combined benefits of Aerogel for power, Vibrocore to reduce frame vibration and Aerobridge reducing string vibration, creating the ultimate in comfort. Headsize 110 Length 27.5 Beam Width 27 30 26 mm Weight Strung 270g 9.5 oz. Colors SilverWhiteBlack CompositionConstruction M Fil, Aerogel String PatternMains X Crosses 16x19 Recommended String Tension 55 65 lbs Grip Type Hydramax Comfort