Motiv Quadfire Bowling Ball Core

The new Quadfire™ inner core produces an RG that stores energy for the backend reaction and a differential for controlled track flare.  The 15# ball has an RG rating of 2.55 and differential of .043.

The Reverb™ outer core of the QZ1 is a low-density polyester resin with pin piercing hardness and strength. Rather than absorb impact energy, this outer core reverberates energy as it explodes through the pins.

Core Type – Symmetric

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