Is the Roto Grip Perfect Gem a good ball for a low rev bowler?
Roto Grip Perfect Gem Bowling Ball
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Open Oct 08, 2026 - 03:22 PM
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Staff Answer
Oct 08, 2026 - 03:23 PM
Its best fits include speed-dominant players: the low 2.49 RG and .057 differential rev the ball up early, while the clean E-R1 cover still gets down the lane. It is a strong, high-flare ball built for medium-heavy to heavy oil, though, so if you want a controlled, lower-hook reaction, a lower-differential ball will suit you better.
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Roto Grip Perfect Gem Bowling Ball
What should I know about the Perfect Gem? • Asymmetric GEM + A.I. Core: low 2.49 RG and a massive .057 differential for heavy flare • All-new nano-free E-R1 Solid Reactive cover at a 2000-Grit Abralon finish • The cleaner, stronger, more continuous evolution of the Gem for medium-heavy to heavy oil
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