190mm Ball should ONLY be used by adults and strong HP players ages 15 and up.
150mm Ball Requires Two Hands on Both Sides and starting approximately 10 feet from the net to rally.
120mm Ball can be rallied successfully with one hand by most players in the short court.
90mm Ball creates a special demand for footwork and ground reaction force.
We think you will experience greater use of your core and perhaps 5 to 10 MPH difference in your ball speeds.
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