Brunswick Crown 78U Bowling Ball
- 12 pounds, purple and grey
- 78D urethane shell for current USBC hardness rules
- Tiered Hexagon core from the Crown Victory
- 500, 1000 grit Siaair finish
- Medium oil use
- 2 year limited warranty
Updated 5 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A hard shell urethane ball that gives a smooth, early read and control on tough or high friction patterns. Spec lines conflict on cover material and core weight range.
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ASIN: B0G452L7HPModel: Crown 78UCategory: Bowling Balls
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Overview
Not a reactive hook ball, the Brunswick Crown is a harder shell urethane built for control. Its Tiered Hexagon core with higher RG and medium differential adds flare, so the cover reads early and the ball moves smoothly to the pocket.
Urethane control that still meets current hardness rules makes it a strong option for tough patterns and high friction. Listing errors call the cover reactive and tie the core to heavier weights than this ball.
Who it's for
Competitive players on tough patterns or worn lanes get a predictable, smooth arc. League bowlers who need big hook on fresh oil should use a reactive ball.
Pros and cons
- Meets current urethane hardness rules
- Smooth, early and predictable read
- Core adds flare to urethane
- Stable on high friction lanes
- Cover listed as reactive in specs
- Core weight range differs from ball
- Less hook on heavy oil
Performance notes
The harder urethane shell gives up some friction, and the higher RG core with medium differential puts back flare so the ball still turns. The sanded finish reads the lane early and blends wet and dry spots for a steady arc.
Specifications
| Brand | Brunswick |
|---|---|
| Model | Crown 78U |
| Dimensions & fit | |
| Item weight | 12 pounds |
| Capacity & performance | |
| Age Range Description | All ages |
| Construction & materials | |
| Material Type | Listed as reactive |
| Construction Type | Multi-layer |
| Outer Material | 78D urethane shell |
| Color | Purple/Grey |
| Surface finish | 500, 1000 grit Siaair |
| Included components | |
| Included Components | Bowling ball |
| Warranty & support | |
| Warranty Description | 2 year limited manufacturer |
| Other details | |
| Ball Type | Tiered Hexagon core (listed as 14-16#) |
| Recommended uses for product | Medium oil lanes |
Frequently asked questions
What comes in the box with the Brunswick Crown 78U?
The listing names only the bowling ball as included.
Is the Brunswick Crown 78U legal under the new USBC urethane rules?
Brunswick says it is designed to meet the new USBC hardness regulations, with a 78D shell.
Is the Brunswick Crown 78U a reactive ball?
The bullets describe a urethane shell, while one spec line says reactive. The bullets are the clearer source.
What core is in the Brunswick Crown 78U?
The Tiered Hexagon core from the Crown Victory, with higher RG and medium differential.