Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Track Legion Pearl
|
Roto Grip Transform Pearl
|
Storm Identity B/C/P
|
Brunswick Strategy
|
|
|---|---|---|---|---|
| Brand | Track | Roto Grip | Storm | Brunswick |
| Line | Upper Mid | HP5 | Premier | Pro |
| Coverstock | Prime Response Pearl | Microtrax Pearl | REX Pearl | HK22C² - EVO Pearl |
| Cover type | Pearl reactive | Pearl reactive | Pearl reactive | Pearl reactive |
| Core | LT-2 | Morph Wing | ID AI | Dual Centric |
| Core type | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.500 | 2.500 (16 lb) | 2.500 (16 lb) | 2.509 |
| Diff | 0.046 | 0.050 (16 lb) | 0.055 (16 lb) | 0.047 |
| Int. diff | 0.011 | 0.015 | 0.009 | 0.016 |
| Factory finish | 500, 1000, 1500 Siaair / Crown Factory Compound | Power Edge | Power Edge | 500, 1000, 1500 Siaair / Crown Factory Compound |
| Lane condition | Medium oil – Heavy oil | — | — | — |
| Flare potential | — | High | High | — |
| Reaction | Strong midlane and continuation | — | — | — |
| Color | Purple / Silver | Red / Cherry / Shadow | Black / Cherry / Purple | Black / Blue / Silver |
| Release date | — | July 10, 2026 | July 1, 2025 | April 16, 2026 |
| Status | Retired | Current | Current | Current |
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