Storm Mainframe Bowling Ball

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Whether you bowl for cash or just for fun, the straight-shooting, durable Mainframe's unique design is sure to attract fans.

Coverstock: Ultra Clear Polyester
Weight Block: Traditional 3-piece Core
Color: Multi-Color Mainframe Imagery
Ball Finish: 3500-grit Polish
Durometer: 80-83
RG: 2.69
Differential: .006
Recommended Lane Conditions: Any