Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Track Stealth Pearl
|
Storm Phaze II Pearl
|
Radical Evil Eye Pearl
|
Radical Guru Oracle Pearl
|
|
|---|---|---|---|---|
| Brand | Track | Storm | Radical | Radical |
| Line | Upper Mid | Master | Top Shelf | Top Shelf |
| Coverstock | QR-9 Pearl (HK22) | TX-25 Pearl | HK22C+ Pearl | HK22C+ Pearl |
| Cover type | Pearl reactive | Pearl reactive | Pearl reactive | Pearl reactive |
| Core | Stealth | Velocity | Evil Eye Symmetric | Guru Asymmetric |
| Core type | — | Symmetric | Symmetric | Asymmetric |
| RG | 2.482 | 2.480 (16 lb) | 2.495 | 2.503 |
| Diff | 0.056 | 0.051 (16 lb) | 0.046 | 0.044 |
| Int. diff | — | — | — | — |
| Factory finish | 500, 1000, 1500 Siaair / Factory Compound | Power Edge | 500, 1000, 1500, Siaair / Factory Compound | 500, 1000, 1500 Siaair / Factory Compound |
| Lane condition | Medium oil – Heavy oil | — | — | — |
| Flare potential | — | Medium-high | — | — |
| Reaction | Skid / Flip | — | — | — |
| Color | Raven | Red / Blue / Purple | Smoke / Teal / Magenta | Black / Gold |
| Release date | June 22, 2023 | November 28, 2025 | August 13, 2026 | June 11, 2026 |
| Status | Retired | Current | Current | Current |
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