Compare the specs of the 900 Global Harsh Reality Pearl 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 Pearl | Eternity Pi |
| Cover Name | Reserve Blend 902 Pearl | Reserve Blend 901 Solid |
| Cover Type | Reactive Pearl | Reactive Solid |
| Box Finish | Reacta Gloss | 2000 Abralon |
| Color | Orange / Silver / 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. | |