Compare the specs of the Roto Grip UFO Alert 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||UFO Alert||Idol Helios|
|Cover Name||eTrax Hybrid||XtremeTrax Solid Reactive|
|Cover Type||Reactive Hybrid||Reactive Solid|
|Box Finish||1500 Grit Polished||2000 Abralon|
|Color||Purple Solid / Emerald / Teal||Radiant Orange|
|Core Name||E.T. (Equalizer Technology)||Ikon|
Ball Tester Ratings
Bowling Ball Comparison Graph
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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