Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Hammer Burgundy Hammer
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Brunswick Purple Rhino Pro
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Storm Tropical Surge Gold-Bronze-Medallion
|
Storm Pitch Black
|
|
|---|---|---|---|---|
| Brand | Hammer | Brunswick | Storm | Storm |
| Line | — | High | Tropical | Thunder |
| Coverstock | React-a-Thane | Savvy Hook 4.0 Solid | Reactor Pearl | Controll Urethane |
| Cover type | — | Solid reactive | Pearl reactive | Urethane |
| Core | Modified Vibe | Vintage Light Bulb | Surge Core | Capacitor |
| Core type | Symmetric | Symmetric | Symmetric | Symmetric |
| RG | 2.570 | 2.568 | 2.580 | 2.560 (16 lb) |
| Diff | 0.032 | 0.032 | 0.024 | 0.023 (16 lb) |
| Int. diff | — | — | — | — |
| Factory finish | 500, 500 Abralon® | 500, 1000, 1500 Siaair / Crown Factory Compound | Power Edge | 1000 Grit |
| Lane condition | Medium oil – Heavy oil | — | — | — |
| Flare potential | — | — | — | — |
| Reaction | Strong and Predictable | — | — | — |
| Color | Burgundy | Purple | Gold / Bronze / Medallion | Black |
| Release date | — | October 22, 2026 | July 10, 2026 | May 27, 2014 |
| Status | Retired | Current | Current | Current |
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