Compare the specs of the Brunswick Fanatic BTU and Brunswick Fanatic 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 | Fanatic |
| Cover Name | BTU (Better Than Urethane) | Relativity V Max |
| Cover Type | Reactive Solid | Reactive Pearl |
| Box Finish | 500 / 1500 SiaAir | 500 SiaAir / Royal Compound / Royal Shine |
| Color | Steel | Purple / Light Blue |
| Core Name | Low Differential I-Block Symmetric | I-Block Symmetric |
| Core Type | Symmetrical | Symmetrical |
| RG | 2.601 | 2.540 |
| Total Diff. | 0.030 | 0.052 |
| Int. Diff. | 0.000 | 0.000 |
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