Core numbers are compared in one weight. Some brands only publish them for one weight.
DV8 Grudge Pearl
|
Roto Grip Transform Pearl
|
Storm Ion Max Pearl
|
Storm Identity B/C/P
|
|
|---|---|---|---|---|
| Brand | DV8 | Roto Grip | Storm | Storm |
| Line | $$$$ | HP5 | Premier | Premier |
| Coverstock | Composite Hook Pearl | Microtrax Pearl | NRG Pearl | REX Pearl |
| Cover type | Pearl reactive | Pearl reactive | Pearl reactive | Pearl reactive |
| Core | Grudge Low RG Asymmetric | Morph Wing | Element Max AI | ID AI |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.490 | 2.500 (16 lb) | 2.470 (16 lb) | 2.500 (16 lb) |
| Diff | 0.056 | 0.050 (16 lb) | 0.053 (16 lb) | 0.055 (16 lb) |
| Int. diff | 0.014 | 0.015 | 0.013 | 0.009 |
| Factory finish | 500 Siaair / Crown Factory Compound | Power Edge | Power Edge | Power Edge |
| Lane condition | Medium oil | — | — | — |
| Flare potential | — | High | High | High |
| Reaction | — | — | — | — |
| Color | Black / White / Violet | Red / Cherry / Shadow | Cobalt / Aqua / Ivory | Black / Cherry / Purple |
| Release date | — | July 10, 2026 | March 13, 2026 | July 1, 2025 |
| Status | Retired | Current | Current | Current |
Keep your arsenal in BowlingMaat: weight, layout, surface and maintenance of every ball in one place. Free, and no games to log.