Compare the specs of the Brunswick Defender and Brunswick Quantum Evo Pearl 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 | Defender | Quantum Evo Pearl |
| Cover Name | ACT 3.0 Solid | Evolution Reactive |
| Cover Type | Reactive Solid | Reactive Pearl |
| Box Finish | 500 / 2000 SiaAir | 500 / 1000 / 1500 SiaAir / Crown Factory Compound |
| Color | Navy / Purple / Sky | Royal / Ruby / Black |
| Core Name | Portal X | QCS-24 |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.473 | 2.511 |
| Total Diff. | 0.054 | 0.053 |
| Int. Diff. | 0.015 | 0.024 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |