Roto Grip Rockstar Amped Bowling Ball
NanoStar Pearl Reactive cover, Rocker AI (symmetric) core. Best for medium to medium-heavy oil.
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The Rockstar Amped pairs the higher-RG Rocker AI core with the NanoStar pearl for length and an aggressive, angular backend.
- Coverstock: NanoStar Pearl Reactive
- Core: Rocker AI (symmetric)
- Specs: 2.48 RG, .050 differential (15 lb)
- Factory finish: Power Edge (Polished)
- Best for: Medium to medium-heavy oil
- Weights: 12 to 16 lb
- Sold undrilled