Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Hammer Gauntlet Fury
|
Radical Guru Oracle Pearl
|
Roto Grip Gremlin
|
Storm Identity B/C/P
|
|
|---|---|---|---|---|
| Brand | Hammer | Radical | Roto Grip | Storm |
| Line | — | Top Shelf | HP3 | Premier |
| Coverstock | Semtex Pearl CFI | HK22C+ Pearl | V-R1 Pearl | REX Pearl |
| Cover type | Pearl reactive | Pearl reactive | Pearl reactive | Pearl reactive |
| Core | Gauntlet | Guru Asymmetric | Rondure MaxD | ID AI |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.500 | 2.503 | 2.500 (16 lb) | 2.500 (16 lb) |
| Diff | 0.050 | 0.044 | 0.056 (16 lb) | 0.055 (16 lb) |
| Int. diff | — | — | 0.008 | 0.009 |
| Factory finish | 500/1000 Abralon Polished with Powerhouse Factory Finish Polish | 500, 1000, 1500 Siaair / Factory Compound | Power Edge | Power Edge |
| Lane condition | Medium oil – Heavy oil | — | — | — |
| Flare potential | — | — | High | High |
| Reaction | Strong Mid-Lane with Angular Backend | — | — | — |
| Color | Purple / Smoke / Orange | Black / Gold | Plum / Raisen / Tanzanite | Black / Cherry / Purple |
| Release date | — | June 11, 2026 | July 18, 2025 | July 1, 2025 |
| Status | Retired | Current | Current | Current |
Own some of these balls?
Keep your arsenal in BowlingMaat: weight, layout, surface and maintenance of every ball in one place. Free, and no games to log.