Compare the specs of the Brunswick Fanatic BTU Pearl and Brunswick Quantum Classic Black side by side in the ball comparison table below. To view the full bowling ball review for one of these balls, click the ball name link in the table below.
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| Brand | Brunswick | Brunswick |
| Ball Name | Fanatic BTU Pearl | Quantum Classic Black |
| Cover Name | BTU Pearl | Relativity Flip Solid |
| Cover Type | Reactive Pearl | Reactive Solid |
| Box Finish | 500 / 4000 SiaAir | 500 SiaAir / Crown Factory Compound |
| Color | Silver | Classic Black |
| Core Name | Low Differential I-Block Symmetric | Quantum Mushroom High RG |
| Core Type | Symmetrical | Symmetrical |
| RG | 2.601 | 2.557 |
| Total Diff. | 0.030 | 0.053 |
| Int. Diff. | 0.000 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |