Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
DV8 Pitbull
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Track Synthesis
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Roto Grip Perfect Gem
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Ebonite Spartan
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|
|---|---|---|---|---|
| Brand | DV8 | Track | Roto Grip | Ebonite |
| Line | $$$$ | High | HP4 | Pro |
| Coverstock | Composite Bite | QR-12 Solid (HK22C) | ER1 Solid | HK22C² - Optimize Solid |
| Cover type | — | Solid reactive | Solid reactive | Solid reactive |
| Core | Pitbull Low RG Asymmetric | I-Core Gen4 | Gem AI | Iron Fist V2 |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.486 | 2.480 | 2.490 (16 lb) | 2.473 |
| Diff | 0.055 | 0.053 | 0.055 (16 lb) | 0.053 |
| Int. diff | 0.020 | 0.020 | 0.017 | 0.019 |
| Factory finish | 500 and 1,000 Siaair Micro Pad | 500, 1500 Siaair Micro Pad | 2000 Grit | 500, 1500 Siaair Micro Pad |
| Lane condition | Heavy oil | Heavy oil | — | Heavy oil |
| Flare potential | — | — | High | — |
| Reaction | — | Strong mid-lane and backend | — | Strong overall hook |
| Color | Black / Violet / Neon Green | Royal Blue / Grey / Purple | Pink / Rose / Onyx | Purple / Blue / Dark Blue |
| Release date | — | February 19, 2026 | October 2, 2026 | January 15, 2026 |
| Status | Retired | Current | Current | Current |
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