At Roto Grip® we pride ourselves in providing a complete line of bowling balls in both value and performance. The recent introduction of the Dark Star™ created a nice complement for those medium to drier patterns, but we still needed a strong solid reactive in the Shield™ Line for those patterns with a bit more volume up front. The RIOT™ is just what the kingdom ordered. The utilization of the Ultimate Vision™ solid reactive coverstock is the key to this addition. The increased surface topography and greater coefficient of friction battles those medium to heavier volume patterns with fierce intensity. The Photon™ core delivers the energy behind the RIOT™. This newly designed medium RG (2.58) and medium differential (.040) core creates greater mid-lane read and increased entry angle to the pocket than its predecessors in the Planet™ series. It's time to start your RIOT™ in the Bowling Kingdom!
| Color | Dark Red/Black |
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| Coverstock | Ultimate Vision Solid Reactive |
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| Core | Photon Core |
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| RG | 2.58 |
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| Differential | 0.040 |
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| Intermediate Diff | n/a |
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| Factory finish | 2000 grit Abralon |
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| Weights | 10 thru 16lbs |
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| Cleared USBC | Yes |
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