Roto Grip Perfect Gem
Roto Grip Perfect Gem - 16 lb is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
All bowling ball orders that stand alone ship same day if ordered before 2PM ET.
Roto Grip Perfect Gem
The Perfect GEM: Precision Meets Power
The legend has evolved. We took the undisputed heavy-hitter of the GEM™ series and pushed it through our advanced A.I. Core Technology lab to create a ball that doesn’t just hook—it strikes with surgical intent. By strategically refining the core density, we’ve unlocked a new motion profile that retains the raw strength of the original while offering a cleaner look through the front of the lane and a more aggressive finish at the pins.
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Core
| LB | RG | Diff | MB |
|---|---|---|---|
| 16 | 2.49 | 0.055 | 0.017 |
| 15 | 2.49 | 0.057 | 0.017 |
| 14 | 2.52 | 0.056 | 0.016 |
| 13 | 2.57 | 0.032 | 0.01 |
| 12 | 2.59 | 0.029 | 0.008 |
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