Compare the specs of the Track Theorem and Track Stealth Pearl 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 | Theorem | Stealth Pearl |
| Cover Name | Prime Response Hybrid (HK22) | QR-9 Pearl (HK22) |
| Cover Type | Reactive Hybrid | Reactive Pearl |
| Box Finish | 500 / 1000 / 1500 SiaAir / Factory Compound | 500 / 1000 / 1500 SiaAir / Factory Compound |
| Color | Black / Red / Violet | Raven |
| Core Name | MC2 Asym | Stealth |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.473 | 2.482 |
| Total Diff. | 0.046 | 0.056 |
| Int. Diff. | 0.017 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |