Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Storm Concept
|
ProBowl Challenger black / purple / silver pearl
|
Storm Tropical Surge Gold-Bronze-Medallion
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ProBowl UnderCover black / yellow / pink pearl
|
|
|---|---|---|---|---|
| Brand | Storm | ProBowl | Storm | ProBowl |
| Line | Lab | Reactive | Tropical | — |
| Coverstock | ARC Pearl | Conquering Pearl | Reactor Pearl | Ghost Trail Reactive |
| Cover type | Pearl reactive | Pearl reactive | Pearl reactive | Pearl reactive |
| Core | Radius | Challenger core | Surge Core | The Source |
| Core type | Symmetric | Symmetric | Symmetric | Symmetric |
| RG | 2.590 (16 lb) | 2.590 | 2.580 | 2.580 |
| Diff | 0.019 (16 lb) | 0.018 | 0.024 | 0.024 |
| Int. diff | — | — | — | — |
| Factory finish | 1000 Grit | 500 grit / Factory compound / Factory Polish | Power Edge | 1500 Grit Polished |
| Lane condition | — | Medium-light oil | — | Medium oil |
| Flare potential | Low | — | — | — |
| Reaction | — | Clean through the heads with a smooth, controlled backend | — | — |
| Color | Teal / Imperial Blue | Black / Purple / Silver | Gold / Bronze / Medallion | Black / Yellow / Pink |
| Release date | February 27, 2026 | — | July 10, 2026 | September 1, 2025 |
| Status | Current | Current | Current | Current |
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