Compare the specs of the 900 Global Harsh Reality and 900 Global Zen 25 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 | Zen 25 |
| Cover Name | Reserve Blend 902 Solid | RB 83 Pearl |
| Cover Type | Reactive Solid | Reactive Pearl |
| Box Finish | 2000 Abralon | Power Edge |
| Color | Atomic / Graphite / Black | Red / Silver / Black |
| Core Name | Disturbance Asymmetric AI | Meditate Symmetric AI |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.48 | 2.48 |
| Total Diff. | 0.054 | 0.053 |
| Int. Diff. | 0.019 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |