Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Hammer Dark Legend Solid
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Radical Outer Limits Black Hole
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Radical Vexed Variant
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Roto Grip Wicked Gremlin
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|---|---|---|---|---|
| Brand | Hammer | Radical | Radical | Roto Grip |
| Line | — | Reliable | Top Shelf | HP3 |
| Coverstock | Semtex Solid | HK22C+ Solid | HK22C+ Solid | GR1 Solid |
| Cover type | Solid reactive | Solid reactive | Solid reactive | Solid reactive |
| Core | Gas Mask | Outer Limits Asymmetric | Vexed Variant Asymmetric | Rondure MaxD |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.500 | 2.499 | 2.490 | 2.500 (16 lb) |
| Diff | 0.058 | 0.051 | 0.045 | 0.056 (16 lb) |
| Int. diff | — | — | — | 0.011 |
| Factory finish | 500/2000 Abralon® | 500, 1000, 1500 Siaair / Factory Compound | 500, 2000 Siaair Micro Pad | 2000 Grit |
| Lane condition | Heavy oil | — | — | — |
| Flare potential | — | — | — | High |
| Reaction | Aggressive Overall Hook | — | — | — |
| Color | Blue / Black | Black | Navy / Royal Blue | Citrine / Red / Purple |
| Release date | — | January 8, 2026 | October 22, 2026 | August 7, 2026 |
| Status | Retired | Current | Current | Current |
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