Brunswick Crown 78U Mid Performance Bowling Ball Product Info Core Specs Videos Downloads LEVEL Advanced PART NUMBER 60-108363-93X COLOR(S) Purple / Grey CORE Tiered Hexagon COVERSTOCK Urethane Solid 78D COVER TYPE Urethane FINISH 500, 1000 Siaair Micro Pad HOOK POTENTIAL Medium LANE CONDITION Medium Oil WEIGHTS 12-16 lbs RELEASE DATE December 11, 2025 WARRANTY Brunswick 2 Year Limited Warranty WEIGHT RG DIFF 16 lbs 2.577 0.039 15 lbs 2.549 0.046 14 lbs 2.566 0.046 13 lbs 2.574 0.040 12 lbs 2.597 0.040 The Danger Zone features Brunswick’s innovative outer core technology called DynamiCore. This industry-leading technology is a more durable outer material that yields less compression upon impact increasing hitting power and creating an undeniable difference in sound and pin carry. Learn More about Dynamicore by Brunswick Brunswick Crown 78U - Tech Sheet