Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Brunswick Twist - Neon Green / Black
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ProBowl Challenger black / purple / silver pearl
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Storm Concept
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Storm Tropical Surge Gold-Bronze-Medallion
|
|
|---|---|---|---|---|
| Brand | Brunswick | ProBowl | Storm | Storm |
| Line | Affordable | Reactive | Lab | Tropical |
| Coverstock | R-16 | Conquering Pearl | ARC Pearl | Reactor Pearl |
| Cover type | Pearl reactive | Pearl reactive | Pearl reactive | Pearl reactive |
| Core | Twist Low Diff | Challenger core | Radius | Surge Core |
| Core type | Symmetric | Symmetric | Symmetric | Symmetric |
| RG | 2.591 | 2.590 | 2.590 (16 lb) | 2.580 |
| Diff | 0.018 | 0.018 | 0.019 (16 lb) | 0.024 |
| Int. diff | — | — | — | — |
| Factory finish | 500 Siaair / Crown Factory Compound / Crown Factory Polish | 500 grit / Factory compound / Factory Polish | 1000 Grit | Power Edge |
| Lane condition | — | Medium-light oil | — | — |
| Flare potential | — | — | Low | — |
| Reaction | — | Clean through the heads with a smooth, controlled backend | — | — |
| Color | Neon Green / Black | Black / Purple / Silver | Teal / Imperial Blue | Gold / Bronze / Medallion |
| Release date | — | — | February 27, 2026 | July 10, 2026 |
| Status | Retired | Current | Current | Current |
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