Roto Grip Gem vs. Roto Grip Idol Helios

Compare the specs of the Roto Grip Gem and Roto Grip Idol Helios 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	Gem	Idol Helios
Cover Name	MicroTrax Solid Reactive	XtremeTrax Solid Reactive
Cover Type	Reactive Solid	Reactive Solid
Box Finish	2000 Abralon	2000 Abralon
Color	Citrine / Ruby / Amethyst	Radiant Orange
Core Name	Defiant LRG	Ikon
Core Type	Asymmetrical	Symmetrical
RG	2.47	2.49
Total Diff.	0.053	0.052
Int. Diff.	0.016	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. Hover over each colored circle in the graph to see that ball’s name and ratings. Click a circle to view that ball’s full review.

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Bowling Ball Comparison Graph