Compare the specs of the Track Kinetic Ruby and Track Kinetic Obsidian 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 | Track | Track |
| Ball Name | Kinetic Ruby | Kinetic Obsidian |
| Cover Name | QR-6 Solid | DR-7 Solid |
| Cover Type | Reactive Solid | Reactive Solid |
| Box Finish | 500 / 2000 Abralon | 500 / 2000 Abralon |
| Color | Ruby | Obsidian |
| Core Name | Modified Kinetic | Modified Kinetic |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.49 | 2.49 |
| Total Diff. | 0.038 | 0.038 |
| Int. Diff. | 0.005 | 0.005 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |