Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Brunswick C•(System) 4.5
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Brunswick Crown 78U
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Hammer Blacklist
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Brunswick Crown Victory Pearl
|
|
|---|---|---|---|---|
| Brand | Brunswick | Brunswick | Hammer | Brunswick |
| Line | Pro | Advanced | Upper Mid | Advanced |
| Coverstock | CFT v4.5 | Urethane Solid 78D | HK22 - Cohesion Pearl | HK22 - Savvy Hook Pearl |
| Cover type | — | Urethane | Pearl reactive | Pearl reactive |
| Core | Symmetric I-Block | Tiered Hexagon | Stacked LED | Tiered Hexagon |
| Core type | Symmetric | Symmetric | — | Symmetric |
| RG | 2.570 | 2.549 | 2.545 | 2.540 |
| Diff | 0.053 | 0.046 | 0.047 | 0.045 |
| Int. diff | — | — | — | — |
| Factory finish | 500 Siaair, Rough Buff | 500, 1000 Siaair Micro Pad | 500, 1000, 1500 Siaair / Factory Compound | 500, 1000, 1500 Siaair / Factory Compound |
| Lane condition | — | — | Medium oil | — |
| Flare potential | — | — | — | — |
| Reaction | — | — | Skid / Flip | — |
| Color | Black Pearl / Blue Pearl | Purple / Grey | Black Pearl | Radiant Red |
| Release date | — | December 11, 2025 | November 19, 2026 | February 19, 2026 |
| Status | Retired | Current | Current | Current |
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