How strong does the Roto Grip Transformer hook and how much flare does it have?
Roto Grip Transformer Bowling Ball
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Open Oct 08, 2026 - 03:36 PM
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Staff Answer
Oct 08, 2026 - 03:36 PM
It gives a strong but controllable hook. At 15 pounds the asymmetric Morph-Wing core has a 2.51 RG, a strong .051 differential and a .015 intermediate differential, and the listed flare potential is 4 to 5 inches. The V-R1 Solid cover at 4000 grit grabs the mid-lane early, then responds smoothly to friction down-lane rather than jumping. Because drilling the wings changes the core numbers, your pro shop can shift that flare and shape earlier or later.
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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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