Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Brunswick Nexxxus f(P+S)
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Storm Identity B/C/P
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Roto Grip Gremlin
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Hammer Black Widow Mania
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|---|---|---|---|---|
| Brand | Brunswick | Storm | Roto Grip | Hammer |
| Line | Pro | Premier | HP3 | Upper Mid |
| Coverstock | Addaptive f(P+S) Pearl | REX Pearl | V-R1 Pearl | HK22 - Cohesion Pearl |
| Cover type | Pearl reactive | Pearl reactive | Pearl reactive | Pearl reactive |
| Core | Nexus Arrowhead | ID AI | Rondure MaxD | Gas Mask |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.502 | 2.500 (16 lb) | 2.500 (16 lb) | 2.500 |
| Diff | 0.056 | 0.055 (16 lb) | 0.056 (16 lb) | 0.058 |
| Int. diff | 0.012 | 0.009 | 0.008 | 0.016 |
| Factory finish | 500 Siaair / Rough Buff | Power Edge | Power Edge | 500, 1000, 1500 Siaair / Factory Compound |
| Lane condition | — | — | — | Medium oil – Heavy oil |
| Flare potential | — | High | High | — |
| Reaction | — | — | — | Length with aggressive backend |
| Color | Bronze / Graphite Pearl | Black / Cherry / Purple | Plum / Raisen / Tanzanite | Cobalt / Black |
| Release date | — | July 1, 2025 | July 18, 2025 | January 16, 2025 |
| Status | Retired | Current | Current | Current |
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