Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Ebonite Challenge
|
Radical The Spy
|
Hammer Fallout
|
Radical Outer Limits Black Hole
|
|
|---|---|---|---|---|
| Brand | Ebonite | Radical | Hammer | Radical |
| Line | — | Performance Polyester | Upper Mid | Reliable |
| Coverstock | RCS Reactive | Textured Polyester | HK22C² Solid | HK22C+ Solid |
| Cover type | — | Polyester | Solid reactive | Solid reactive |
| Core | AXS | Asymmetric (DynamiCore) | Aftermath | Outer Limits Asymmetric |
| Core type | Asymmetric | Asymmetric | — | Asymmetric |
| RG | 2.510 | 2.513 | 2.520 | 2.499 |
| Diff | 0.057 | 0.053 | 0.052 | 0.051 |
| Int. diff | — | — | — | — |
| Factory finish | 1500 Abralon® | 500, 1000 Siaair / Factory Compound / Factory Polish | 500, 2000 Siaair Micro Pad | 500, 1000, 1500 Siaair / Factory Compound |
| Lane condition | — | — | Medium oil – Heavy oil | — |
| Flare potential | — | — | — | — |
| Reaction | Strong Midlane Continuation | — | Strong overall hook | — |
| Color | Silver / Purple / Green | Red / Black | Blue / Lime / Sky Blue | Black |
| Release date | — | — | July 16, 2026 | January 8, 2026 |
| Status | Retired | Current | Current | Current |
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