Mainframe


 
Storm Mainframe
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Release Date
PBA Approval Date
Discontinued

Break into the Mainframe and find the key to knocking down every spare! This polyester ball is perfect for someone who loves to bowl for fun, a beginner or an advanced bowler looking to shoot spares.

Factory Finish
3500 Polished
Polyester Coverstock
Type
Polyester
Storm Traditional 3-piece Core
Storm Traditional 3-piece Core
Core Type
Symmetric
16 pounds
RG
2.680
Diff
0.006
15 pounds
RG
2.690
Diff
0.006
14 pounds
RG
2.690
Diff
0.006
13 pounds
RG
2.710
Diff
0.005
12 pounds
RG
2.720
Diff
0.005
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