Power and energy are combined in the pre-strung SPARK TOUR TENNIS RACQUET for new tennis players.
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ARCOREARCORE Technology is a spefically designed cross section in the shaft of the racquet to increase torsional stability for ultimate control and power.
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Metallix™ METALLIX™Specially formulated crystalline metal alloy with a grain size 1000 times smaller than that of a typical metal creates a much stronger material. The Hall-Petch Effect states: smaller grains = stronger material. The result is a lighter, stronger and more powerful racquet.