Circle is excited to introduce the Circle RIO polyester line! These unique and eye catching bowling balls are constructed of a 3-piece weight block surrounded by a high quality polyester cover stock. These balls are available in 4 vibrant color schemes including red/black/white, blue/black/white, silver/black/white, and yellow/black/white. They are also PBA registered and ABC approved. The available weights are 8, 10, 11, 12, 13, 14, and 15.
| Color | Misc. |
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| Coverstock | Plastic |
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| Core | 3-piece |
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| RG | |
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| Differential | |
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| Intermediate Diff | n/a |
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| Factory finish | Polished |
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| Weights | 8 thru 15lbs |
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| Cleared USBC | Yes |
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