What cover and core does the Roto Grip Transformer use?
Roto Grip Transformer Bowling Ball
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Open Oct 08, 2026 - 02:39 PM
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Staff Answer
Oct 08, 2026 - 02:39 PM
The Transformer pairs Roto Grip's V-R1 Solid Reactive coverstock, a nano-free formula at a 4000-grit finish, with the asymmetric Morph-Wing Core. At 15 pounds the core measures a 2.51 RG, a .051 differential and a .015 intermediate differential, per the manufacturer's specs. Roto Grip says V-R1 has the most balanced traction-to-reaction ratio of its nano-free covers.
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Roto Grip Transformer Bowling Ball
What should I know about the Transformer? Drill-tunable Morph-Wing asymmetric core that transforms when drilled Nano-free V-R1 Solid Reactive cover at a 4000-grit finish Strong, controllable hook for medium to medium-heavy oil
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