What cover and core does the Roto Grip RST Hyperdrive Pearl use?
Roto Grip RST Hyperdrive Pearl Bowling Ball
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Open Oct 08, 2026 - 02:49 PM
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Staff Answer
Oct 08, 2026 - 02:49 PM
The RST Hyperdrive Pearl pairs Roto Grip's U-R1 Pearl Reactive coverstock, at a Power Edge polish, with the asymmetric RST Core + AI. At 15 pounds the core measures a 2.52 RG, a .055 differential and a .017 intermediate differential, per the manufacturer's specs. It is the same core used in the original RST Hyperdrive.
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Roto Grip RST Hyperdrive Pearl Bowling Ball
What should I know about the RST Hyperdrive Pearl? Strong asymmetric RST Core + AI for heavy flare and continuation U-R1 Pearl Reactive cover at a Power Edge polished finish Length and a strong, angular backend for medium to medium-heavy oil
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