Compare the specs of the 900 Global Harsh Reality and 900 Global Eternity Pi 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 | 900 Global | 900 Global |
| Ball Name | Harsh Reality | Eternity Pi |
| Cover Name | Reserve Blend 902 Solid | Reserve Blend 901 Solid |
| Cover Type | Reactive Solid | Reactive Solid |
| Box Finish | 2000 Abralon | 2000 Abralon |
| Color | Atomic / Graphite / Black | Burgundy / White / Black |
| Core Name | Disturbance Asymmetric AI | Epoch Asymmetric |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.48 | 2.49 |
| Total Diff. | 0.054 | 0.050 |
| Int. Diff. | 0.019 | 0.014 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |