Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Hammer Black Widow Bite
|
Radical Outer Limits Black Hole
|
Track Stealth Mode Hybrid
|
Radical The Spy
|
|
|---|---|---|---|---|
| Brand | Hammer | Radical | Track | Radical |
| Line | — | Reliable | Upper Mid | Performance Polyester |
| Coverstock | Violent Bite Reactive | HK22C+ Solid | Super Response Hybrid (HK22C) | Textured Polyester |
| Cover type | — | Solid reactive | Hybrid reactive | Polyester |
| Core | High Mass Bias Gas Mask w/ Flip Block | Outer Limits Asymmetric | Stealth | Asymmetric (DynamiCore) |
| Core type | Asymmetric | Asymmetric | — | Asymmetric |
| RG | 2.500 | 2.499 | 2.482 | 2.513 |
| Diff | 0.060 | 0.051 | 0.056 | 0.053 |
| Int. diff | — | — | — | — |
| Factory finish | — | 500, 1000, 1500 Siaair / Factory Compound | 500, 1000, 1500 Siaair / Factory Compound | 500, 1000 Siaair / Factory Compound / Factory Polish |
| Lane condition | — | — | Medium oil – Heavy oil | — |
| Flare potential | — | — | — | — |
| Reaction | — | — | Length with strong backend | — |
| Color | Black / Silver | Black | Black / Cadet Grey / Gold | Red / Black |
| Release date | — | January 8, 2026 | February 19, 2026 | — |
| Status | Retired | Current | Current | Current |
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