Roto Grip Sinister Bowling Ball

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IF THEY KNEW WHAT WAS COMING, THEY’D NEVER SLEEP. From out of the shadows, I emerge as the winner. The moment I hit the lane, I dominate my foes and leave them agonizing over what’s coming next. My all-new Cage™ Core is the nucleus from which my rage builds, leaving my competition contemplating their exit strategy. They can either bow out now, or leave with their heads in their hands. 

COLD, CALCULATED ASSASSIN. What my competition can’t see is that I’ve taken every step to ensure their defeat before I even arrive. My newly designed Cage™ Core is a premeditated plot to produce superior midlane motion without sacrificing down lane continuation. Did they think they had a chance? 

A MENACING COMBINATION. I lie in wait, ready to ambush my rivals with a wicked one-two blow. The pearl portion of my 76H™ Hybrid Reactive Coverstock eases through the front end while the solid part provides sure-fire continuation through the breakpoint — allowing me to push my opponents past their breaking points. 

CONSPIRE TO BE VERSATILE. I was created to devour heavy oil, but with my 4000-grit Pad finish, my scheme is to adjust my rough exterior to also combat medium to lighter conditions.

More Information
Manufacturer Part NumberRIN
Lane ConditionHeavy Oil
Coverstock76H Hybrid
Cover TypeHybrid Reactive
CoreCage Core
Core TypeAsymmetric
Finish4000-grit pad
ColorNeon Yellow & White Pearl / Navy Solid
RG / DIFF#12 - 2.59 / .029
#13 - 2.57 / .032
#14 - 2.53 / .054
#15 - 2.52 / .054
#16 - 2.52 / .053
Mass Bias Strength#15 - .015
Durometer73 - 75 Rex D-scale
BrandRoto Grip
Launch DateAugust 26, 2014
Warranty1 Year Limited Warranty
Item ReturnsSorry, the item can't be returned
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Roto Grip Sinister
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