ROTO GRIP RST HYPERDRIVE BOWLING BALL 15 POUNDS ASYMMETRIC #25RYVB17C001, 15 POUNDS 3 OUNCES, 3.49 OUNCE TOP WEIGHT, 3.5 TO 4 INCH PIN, MICROTRAX SOLID REACTIVE COVERSTOCK, RST AI CORE, RG 2.52, DIFF .055, MASS BIAS .017
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