Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Hammer Bad Ass
|
Storm Phaze II
|
Radical Evil Eye
|
Brunswick Danger Zone Purple Ice
|
|
|---|---|---|---|---|
| Brand | Hammer | Storm | Radical | Brunswick |
| Line | — | Master | Top Shelf | Advanced |
| Coverstock | Juiced Solid | TX-16 Solid | HK22C+ Solid | HK22 - PowerKoil 26 |
| Cover type | Solid reactive | Solid reactive | Solid reactive | Solid reactive |
| Core | Spheroid | Velocity | Evil Eye Symmetric | Danger Zone |
| Core type | Symmetric | Symmetric | Symmetric | Symmetric |
| RG | 2.480 | 2.480 (16 lb) | 2.495 | 2.501 |
| Diff | 0.048 | 0.051 (16 lb) | 0.046 | 0.048 |
| Int. diff | — | — | — | — |
| Factory finish | 500, 2000 Abralon and Factory Polish at 300 RPM | 3000 Grit | 500, 1500 Siaair Micro Pad | 500 Siaair / Crown Factory Compound / Crown Factory Polish |
| Lane condition | Medium oil | — | — | — |
| Flare potential | — | Medium-high | — | — |
| Reaction | Skid Flip | — | — | — |
| Color | Black / Orange | Red / Blue / Purple | Black | Purple Ice |
| Release date | — | October 4, 2016 | October 23, 2025 | December 11, 2025 |
| Status | Retired | Current | Current | Current |
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