What is different about the Rondure MaxD core in the Roto Grip Gremlin?
Roto Grip Gremlin Bowling Ball
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Open Oct 08, 2026 - 02:53 PM
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Staff Answer
Oct 08, 2026 - 02:53 PM
It is a maxed-out version of Roto Grip's Rondure shape. Roto Grip changed the densities of both the block and the bottom slug to push the RG and the differential to the highest values that core has carried. The higher RG lets the ball rev up later and save energy for the back of the lane, which gives the Gremlin the longest, most continuous motion in the Gremlin family.
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Roto Grip Gremlin Bowling Ball
What should I know about the Gremlin? Maxed-out asymmetric Rondure core for length and a strong, continuous backend Nano-free V-R1 Pearl Reactive cover, polished at Power Edge Built for medium to medium-heavy oil with length and recovery
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