Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Roto Grip Wicked Gremlin
|
Hammer Spawn
|
Hammer Black Widow 3.0 Dynasty
|
Hammer Black Widow 3.0
|
|
|---|---|---|---|---|
| Brand | Roto Grip | Hammer | Hammer | Hammer |
| Line | HP3 | High | Upper Mid | Upper Mid |
| Coverstock | GR1 Solid | HK22C² Solid | HK22 - Cohesion Solid | HK22 - Aggression Solid |
| Cover type | Solid reactive | Solid reactive | Solid reactive | Solid reactive |
| Core | Rondure MaxD | Gauntlet | Gas Mask | Gas Mask |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.500 (16 lb) | 2.501 | 2.500 | 2.500 |
| Diff | 0.056 (16 lb) | 0.050 | 0.058 | 0.058 |
| Int. diff | 0.011 | 0.012 | 0.016 | 0.016 |
| Factory finish | 2000 Grit | 500, 1000 Siaair Micro Pad | 500, 1000, 2000 Siaair Micro Pad | 500, 1000, 2000 Siaair Micro Pad |
| Lane condition | — | Medium oil – Heavy oil | Medium oil – Heavy oil | Medium oil – Heavy oil |
| Flare potential | High | — | — | — |
| Reaction | — | Strong overall hook | Aggressive mid-lane and backend | Aggressive backend |
| Color | Citrine / Red / Purple | Black | Ultraviolet / Black | Black / Orange |
| Release date | August 7, 2026 | May 14, 2026 | January 15, 2026 | January 25, 2024 |
| Status | Current | Current | Current | Current |
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