Roto Grip Gremlin vs. Roto Grip Rockstar

Compare the specs of the Roto Grip Gremlin and Roto Grip Rockstar side by side in the ball comparison table below. To view the full bowling ball review for one of these balls, click the ball name link in the table below.

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Brand	Roto Grip	Roto Grip
Ball Name	Gremlin	Rockstar
Cover Name	V-R1 Pearl Reactive	NanoStar Solid Reactive
Cover Type	Reactive Pearl	Reactive Solid
Box Finish	Power Edge	2000 Abralon
Color	Plum / Raisin / Tanzanite	Crimson / Jet / Maroon
Core Name	Rondure MaxD	Rocker + AI
Core Type	Asymmetrical	Symmetrical
RG	2.50	2.48
Total Diff.	0.058	0.050
Int. Diff.	0.010	0.000
Torque Length Back End Total Hook Ball Tester Ratings	See Performance Ratings... Already a premium member? Click here to log in.

The graph below shows a visual comparison of the selected balls. Click on each colored circle in the graph to see that ball’s name and ratings. Click the circle again or click the ball's name to view that ball’s full review.

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Bowling Ball Comparison Graph