Compare the specs of the Roto Grip UFO Alert and Roto Grip Idol Synergy 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 Synergy|
|Cover Name||eTrax Hybrid||eTrax|
|Cover Type||Reactive Hybrid||Reactive Hybrid|
|Box Finish||1500 Grit Polished||1500 Grit Polished|
|Color||Purple Solid / Emerald / Teal||Amethyst Pearl / Magenta Solid|
|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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