Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Brunswick Nexxus f(P+R)
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Storm Alpha Crux
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Roto Grip Perfect Gem
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Track Paragon Fire
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|---|---|---|---|---|
| Brand | Brunswick | Storm | Roto Grip | Track |
| Line | Pro | Premier | HP4 | High |
| Coverstock | Addaptive f(P+R) Solid | GI26 Solid | ER1 Solid | Prime Response Solid (HK22C²) |
| Cover type | Solid reactive | Solid reactive | Solid reactive | Solid reactive |
| Core | Nexus Rotor | Catalyst AI | Gem AI | I-Core 3.0 |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.480 | 2.480 (16 lb) | 2.490 (16 lb) | 2.486 |
| Diff | 0.056 | 0.052 (16 lb) | 0.055 (16 lb) | 0.056 |
| Int. diff | 0.017 | 0.017 | 0.017 | 0.015 |
| Factory finish | 500 and 1500 Siaair Micro Pad | 2000 Grit | 2000 Grit | 500, 2000 Siaair Micro Pad |
| Lane condition | — | — | — | Medium oil – Heavy oil |
| Flare potential | — | High | High | — |
| Reaction | — | — | — | Length with strong backend |
| Color | Red / Black Solid | Black / Turquoise / Violet | Pink / Rose / Onyx | Red / Scarlet / Crimson |
| Release date | — | May 29, 2026 | October 2, 2026 | June 11, 2026 |
| Status | Retired | Current | Current | Current |
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