Compare the specs of the Brunswick Ultimate Defender and Brunswick Infinity 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 | Ultimate Defender | Infinity |
| Cover Name | HK22 - ACT 3.0 Hybrid | AXH Hybrid |
| Cover Type | Reactive Hybrid | Reactive Hybrid |
| Box Finish | 500 / 2000 SiaAir | 500 / 2000 SiaAir |
| Color | Violet / Pink / Navy | Purple Ice / Navy / Red |
| Core Name | Portal X | Infinity |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.473 | 2.521 |
| Total Diff. | 0.054 | 0.051 |
| Int. Diff. | 0.015 | 0.010 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |