Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Brunswick Tenacity
|
Brunswick Combat Solid
|
Brunswick Combat Hybrid
|
Roto Grip RST Hyperdrive Pearl
|
|
|---|---|---|---|---|
| Brand | Brunswick | Brunswick | Brunswick | Roto Grip |
| Line | Pro | Pro | Pro | HP4 |
| Coverstock | UR (Ultra Responsive) | HK22C² - Alpha Premier Solid | Alpha Premier Hybrid | U-R1 Pearl |
| Cover type | — | Solid reactive | Hybrid reactive | Pearl reactive |
| Core | Tenacity Low RG | Rampart | Rampart | RST AI |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.503 | 2.502 | 2.502 | 2.510 (16 lb) |
| Diff | 0.052 | 0.051 | 0.051 | 0.051 (16 lb) |
| Int. diff | 0.018 | 0.019 | 0.019 | 0.016 |
| Factory finish | 500 Siaair / Crown Factory Compound | 500, 1500 Siaair Micro Pad | 500, 2000 Siaair Micro Pad | Power Edge |
| Lane condition | — | — | — | — |
| Flare potential | — | — | — | High |
| Reaction | — | — | — | — |
| Color | Black / Silver / Purple Pearl | Navy / Blue / Slate / Purple | Black / Purple / Green / Lime | Space Blue / Deep Purple |
| Release date | — | August 13, 2026 | February 19, 2026 | September 19, 2025 |
| Status | Retired | Current | Current | Current |
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