Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Storm Equinox Solid
|
Hammer Reckoning
|
Storm Ion Max
|
Ebonite Spartan
|
|
|---|---|---|---|---|
| Brand | Storm | Hammer | Storm | Ebonite |
| Line | Premier | High | Premier | Pro |
| Coverstock | A2S Solid | HK22C² Solid | NRG Solid | HK22C² - Optimize Solid |
| Cover type | Solid reactive | Solid reactive | Solid reactive | Solid reactive |
| Core | Solarion AI | Vindicator | Element Max AI | Iron Fist V2 |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.470 (16 lb) | 2.474 | 2.470 | 2.473 |
| Diff | 0.054 (16 lb) | 0.053 | 0.055 | 0.053 |
| Int. diff | 0.016 | 0.016 | 0.014 | 0.019 |
| Factory finish | 2000 Grit | 500, 1000 Siaair Micro Pad | 2000 Grit | 500, 1500 Siaair Micro Pad |
| Lane condition | — | Heavy oil | — | Heavy oil |
| Flare potential | High | — | High | — |
| Reaction | — | Extreme hook | — | Strong overall hook |
| Color | Dark Green / Black / White | Black / Navy / Orange / Sky | Neon Pink / Indigo / White | Purple / Blue / Dark Blue |
| Release date | October 17, 2025 | November 19, 2026 | September 20, 2024 | January 15, 2026 |
| Status | Current | Current | Current | Current |
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