SKU: BL-BC78U
Brunswick Crown 78U

Advanced / Control / 40

Brunswick introduces the Crown 78U, giving bowlers a new urethane option approved for use in most USBC national competitions. In addition to these regulations, Brunswick recognizes the use of harder urethane balls on tougher tournament patterns and for high rev rates. They developed a new urethane ball with more flare potential and more dynamic ... read more

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Watch the Crown 78U in action!

Core Numbers

16 lb 15 lb 14 lb 13 lb 12 lb

RG 2.577 2.549 2.566 2.574 2.597

DIFF 0.039 0.046 0.046 0.040 0.040

Spec Table

Spec Label Spec Value

Level Advanced

Part Number 60-108363-93X

Color Purple / Grey

Core Tiered Hexagon

Coverstock Urethane Solid 78D

Cover Type Urethane

Finish 500, 1000 Siaair Micro Pad

Weights 16-12 lbs.

Release Date December 11, 2025

Performance Index:

ADVANCED:

Performance features with a wide range of reactions for bowlers of all skill levels.

CONTROL:


Predictable, typically a smooth ball motion throughout the lane. Balls with higher numbers will have more overall reaction.

REACTION SHAPE STRENGTH: 40

The higher the number the stronger the reaction shape – with 1 being the least and 100 the most.

DynamiCore Technology

The Crown 78U 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.