Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Brunswick True Nirvana
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Storm Ion Max Pearl
|
Ebonite Spartan Pearl
|
Track Synthesis Prime
|
|
|---|---|---|---|---|
| Brand | Brunswick | Storm | Ebonite | Track |
| Line | Pro | Premier | Pro | High |
| Coverstock | ECS Hook Pearl | NRG Pearl | HK22C² - Optimize Pearl | Prime Response Pearl (HK22C²) |
| Cover type | Pearl reactive | Pearl reactive | Pearl reactive | Pearl reactive |
| Core | Nirvana Ultra Low RG | Element Max AI | Iron Fist V2 | I-Core Gen4 |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.477 | 2.470 (16 lb) | 2.473 | 2.480 |
| Diff | 0.054 | 0.053 (16 lb) | 0.053 | 0.053 |
| Int. diff | 0.013 | 0.013 | 0.019 | 0.020 |
| Factory finish | Pearl Reactive | Power Edge | 500, 1000, 1500 Siaair / Factory Compound | 500, 1500, 3000 Siaair Micro Pad |
| Lane condition | — | — | Medium oil – Heavy oil | Medium oil |
| Flare potential | — | High | — | — |
| Reaction | — | — | Strong mid-lane and backend | Length with strong backend |
| Color | Black / Chrome / Gold Pearl | Cobalt / Aqua / Ivory | Sky Blue / Purple / Carbon | Silver / Blue / Teal |
| Release date | — | March 13, 2026 | July 16, 2026 | October 22, 2026 |
| Status | Retired | Current | Current | Current |
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