Compare the specs of the Brunswick Ethos and Brunswick Endeavor 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 | Endeavor |
| Cover Name | HK22 - SH 4.0 Pearl | Activator Plus 3.0 Pearl |
| 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 | Sky Blue / Silver |
| Core Name | Ethos | Tiered Hexagon |
| Core Type | Symmetrical | Symmetrical |
| RG | 2.481 | 2.540 |
| Total Diff. | 0.053 | 0.045 |
| Int. Diff. | 0.000 | 0.000 |
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