Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Brunswick Kingpin
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Track Synthesis Prime
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Track Synthesis
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Ebonite Spartan Pearl
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|---|---|---|---|---|
| Brand | Brunswick | Track | Track | Ebonite |
| Line | Pro | High | High | Pro |
| Coverstock | ECA (Enhanced Composite Adhesion) | Prime Response Pearl (HK22C²) | QR-12 Solid (HK22C) | HK22C² - Optimize Pearl |
| Cover type | — | Pearl reactive | Solid reactive | Pearl reactive |
| Core | Kingpin Ultra Low RG | I-Core Gen4 | I-Core Gen4 | Iron Fist V2 |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.483 | 2.480 | 2.480 | 2.473 |
| Diff | 0.055 | 0.053 | 0.053 | 0.053 |
| Int. diff | 0.020 | 0.020 | 0.020 | 0.019 |
| Factory finish | 500 and 1,000 Siaair Micro Pad | 500, 1500, 3000 Siaair Micro Pad | 500, 1500 Siaair Micro Pad | 500, 1000, 1500 Siaair / Factory Compound |
| Lane condition | — | Medium oil | Heavy oil | Medium oil – Heavy oil |
| Flare potential | — | — | — | — |
| Reaction | — | Length with strong backend | Strong mid-lane and backend | Strong mid-lane and backend |
| Color | Black / Light Blue / Purple Solid | Silver / Blue / Teal | Royal Blue / Grey / Purple | Sky Blue / Purple / Carbon |
| Release date | — | October 22, 2026 | February 19, 2026 | July 16, 2026 |
| Status | Retired | Current | Current | Current |
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