Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Storm Identity
|
Roto Grip Gremlin
|
Brunswick Infinity Quest Pearl
|
Hammer Black Widow Mania
|
|
|---|---|---|---|---|
| Brand | Storm | Roto Grip | Brunswick | Hammer |
| Line | Premier | HP3 | High | Upper Mid |
| Coverstock | REX Pearl | V-R1 Pearl | HK22C - EVO Pearl | HK22 - Cohesion Pearl |
| Cover type | Pearl reactive | Pearl reactive | Pearl reactive | Pearl reactive |
| Core | ID AI | Rondure MaxD | Infinity | Gas Mask |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.500 (16 lb) | 2.500 (16 lb) | 2.521 | 2.500 |
| Diff | 0.055 (16 lb) | 0.056 (16 lb) | 0.051 | 0.058 |
| Int. diff | 0.009 | 0.008 | 0.010 | 0.016 |
| Factory finish | Power Edge | Power Edge | 500, 1000, 1500 Siaair / Crown Factory Compound | 500, 1000, 1500 Siaair / Factory Compound |
| Lane condition | — | — | — | Medium oil – Heavy oil |
| Flare potential | High | High | — | — |
| Reaction | — | — | — | Length with aggressive backend |
| Color | Cherry / Teal / Black | Plum / Raisen / Tanzanite | Blue / Pink | Cobalt / Black |
| Release date | April 2, 2025 | July 18, 2025 | June 11, 2026 | January 16, 2025 |
| Status | Current | Current | Current | Current |
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