Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Brunswick Ultimate Nirvana
|
Storm Equinox Hybrid
|
Hammer Full Effect
|
Track Theorem Delta
|
|
|---|---|---|---|---|
| Brand | Brunswick | Storm | Hammer | Track |
| Line | Pro | Premier | High | Upper Mid |
| Coverstock | ECS Hybrid | A2S Hybrid | HK22C² Hybrid | Super Response Hybrid (HK22) |
| Cover type | Hybrid reactive | Hybrid reactive | Hybrid reactive | Hybrid reactive |
| Core | Nirvana Ultra Low RG | Solarion AI | Huntsman | MC2 Asym |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.477 | 2.470 (16 lb) | 2.470 | 2.473 |
| Diff | 0.054 | 0.054 (16 lb) | 0.050 | 0.046 |
| Int. diff | 0.013 | 0.016 | 0.017 | 0.017 |
| Factory finish | 500, 4000 Siaair Micro Pad | Power Edge | 500, 1000, 1500 Siaair / Factory Compound | 500, 1000, 1500 Siaair / Factory Compound |
| Lane condition | — | — | Medium oil – Heavy oil | Medium oil – Heavy oil |
| Flare potential | — | High | — | — |
| Reaction | — | — | Length with aggressive backend | Skid / Flip |
| Color | Red / White / Blue Pearl | Nebula / Flare / Void | Purple / Pink / Silver / Black | Black / Indigo / Blue |
| Release date | — | September 4, 2026 | March 19, 2026 | August 13, 2026 |
| Status | Retired | Current | Current | Current |
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