Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Ebonite Entity
|
Brunswick Combat Solid
|
Roto Grip Transformer
|
Hammer Zero Mercy Solid
|
|
|---|---|---|---|---|
| Brand | Ebonite | Brunswick | Roto Grip | Hammer |
| Line | Pro | Pro | HP5 | High |
| Coverstock | HK22C - Optimize Solid | HK22C² - Alpha Premier Solid | VR1 Solid | HK22C² Solid |
| Cover type | Solid reactive | Solid reactive | Solid reactive | Solid reactive |
| Core | Entity | Rampart | Morph Wing | Super Offset |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.515 | 2.502 | 2.500 (16 lb) | 2.524 |
| Diff | 0.052 | 0.051 | 0.050 (16 lb) | 0.053 |
| Int. diff | 0.020 | 0.019 | 0.015 | 0.020 |
| Factory finish | 500, 2000 Siaair Micro Pad | 500, 1500 Siaair Micro Pad | 4000 Grit | 500, 1500 Siaair Micro Pad |
| Lane condition | Medium oil – Heavy oil | — | — | Heavy oil |
| Flare potential | — | — | High | — |
| Reaction | Strong mid-lane to backend | — | — | Xtreme hook |
| Color | Black / Magenta / Orange | Navy / Blue / Slate / Purple | Indigo / Violet / Slate | Black / Purple / White / Red |
| Release date | July 10, 2025 | August 13, 2026 | January 23, 2026 | November 20, 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.