Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
ProBowl Stallion
|
Storm !Q Tour 78/U
|
Hammer Purple Pearl Urethane 78D
|
Hammer Black Pearl Urethane
|
|
|---|---|---|---|---|
| Brand | ProBowl | Storm | Hammer | Hammer |
| Line | — | Master | Mid | Mid |
| Coverstock | Solid Urethane | Controll 78 Urethane | Urethane Pearl 78D | Urethane Pearl 78D |
| Cover type | Urethane | Urethane | Urethane | Urethane |
| Core | Grenade | C3C | Super LED | LED |
| Core type | — | Symmetric | — | Symmetric |
| RG | 2.646 | 2.650 (12 lb) | 2.632 | 2.650 |
| Diff | 0.029 | 0.035 (12 lb) | 0.034 | 0.015 |
| Int. diff | — | — | — | — |
| Factory finish | 1000 grit Abralon | 500 Grit | 500 Siaair Micro Pad | 500 Siaair Micro Pad |
| Lane condition | — | — | Light oil | Light oil |
| Flare potential | — | — | — | — |
| Reaction | — | — | Strong arc | Smooth arc |
| Color | Black | Crimson | Purple Pearl | Black Pearl |
| Release date | — | December 15, 2023 | March 19, 2026 | March 21, 2024 |
| Status | Current | Current | Current | Current |
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