Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Hammer Purple Pearl Urethane
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Hammer Black Pearl Urethane
|
ProBowl Stallion
|
Storm !Q Tour 78/U
|
|
|---|---|---|---|---|
| Brand | Hammer | Hammer | ProBowl | Storm |
| Line | Mid | Mid | — | Master |
| Coverstock | Urethane Pearl | Urethane Pearl 78D | Solid Urethane | Controll 78 Urethane |
| Cover type | Urethane | Urethane | Urethane | Urethane |
| Core | LED | LED | Grenade | C3C |
| Core type | Symmetric | Symmetric | — | Symmetric |
| RG | 2.650 | 2.650 | 2.646 | 2.650 (12 lb) |
| Diff | 0.015 | 0.015 | 0.029 | 0.035 (12 lb) |
| Int. diff | — | — | — | — |
| Factory finish | 500, 1000, 2000 Siaair Micro Pad | 500 Siaair Micro Pad | 1000 grit Abralon | 500 Grit |
| Lane condition | Light oil – Medium oil | Light oil | — | — |
| Flare potential | — | — | — | — |
| Reaction | Smooth Arc | Smooth arc | — | — |
| Color | Purple Pearl | Black Pearl | Black | Crimson |
| Release date | July 1, 2021 | March 21, 2024 | — | December 15, 2023 |
| Status | Current | Current | Current | Current |
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