Compare the specs of the Brunswick Ethos and Brunswick Quantum Evo Response 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 | Ethos | Quantum Evo Response |
| Cover Name | HK22 - SH 4.0 Pearl | HK22 - Evolution Reactive |
| Cover Type | Reactive Pearl | Reactive Pearl |
| Box Finish | 500 / 1000 / 1500 SiaAir / Crown Factory Compound | 500 / 1000 / 1500 SiaAir / Crown Factory Compound |
| Color | Purple / Sky / Carbon | Violet / Scarlet / Carbon |
| Core Name | Ethos | QCS-24 |
| Core Type | Symmetrical | Asymmetrical |
| RG | 2.481 | 2.511 |
| Total Diff. | 0.053 | 0.053 |
| Int. Diff. | 0.000 | 0.024 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |