Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Track 920A
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Brunswick Crown Victory Pearl
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Hammer Blacklist
|
Storm Rocket A.I.
|
|
|---|---|---|---|---|
| Brand | Track | Brunswick | Hammer | Storm |
| Line | — | Advanced | Upper Mid | Thunder |
| Coverstock | HP Gen 3 Pearl | HK22 - Savvy Hook Pearl | HK22 - Cohesion Pearl | A1S Pearl |
| Cover type | Pearl reactive | Pearl reactive | Pearl reactive | Pearl reactive |
| Core | Modified Leggo | Tiered Hexagon | Stacked LED | Booster AI |
| Core type | — | Symmetric | — | Symmetric |
| RG | 2.570 | 2.540 | 2.545 | 2.520 (16 lb) |
| Diff | 0.057 | 0.045 | 0.047 | 0.046 (16 lb) |
| Int. diff | — | — | — | — |
| Factory finish | 4000 Sanded | 500, 1000, 1500 Siaair / Factory Compound | 500, 1000, 1500 Siaair / Factory Compound | Power Edge |
| Lane condition | Medium oil – Medium-heavy oil | — | Medium oil | — |
| Flare potential | — | — | — | Medium-high |
| Reaction | — | — | Skid / Flip | — |
| Color | Black Emerald | Radiant Red | Black Pearl | Chrome / Wine |
| Release date | — | February 19, 2026 | November 19, 2026 | May 1, 2026 |
| Status | Retired | Current | Current | Current |
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