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Storm Gravity Shift X Comp 

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Gravity Shift X Comp Specs

Product ID 6590 Brand Storm
Perfect Scale 192.8 RG 2.550
Finish Polished Lane Condition Medium-Heavy
Coverstock Particle Ball Quality Second
Factory Finish 1500-grit Polish Coverstock Name R2Xâ„¢ Pearl Reactive
Core Name SHAPE-LOCKâ„¢ HD Differential 0.052
Durometer 73-75 Flare Potential 6” Plus (High)
Mass Bias Diff 0.020 Fragrance Chocolate Cherry
Core Type Asymmetric Performance Pro Performance[10]
Storm Product Line Premier    
Originally Sold For: $129.99

This product (6590) is not available


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The long anticipated addition to the Shift Series has just arrived and promises to go beyond Premier Line standards! Completely reconstructed, the new Gravity Shift sports the reformulated R2X coverstock - an enhanced version of it's predecessor the R2S - which uses special blends of materials to provide outstanding durability and exceptional performance. At the heart of the Gravity Shift is the new Shape-Lock HD (High Density) core. Increasing the density value and lowering the core volume effectively produces superior mid-lane roll and handling. The Gravity Shift produces outstanding performance in the ever-changing modern lane conditions and promises consistent ball reaction.

By the time your opponents' realize the Gravity of their situation...it'll be too late!


X-Comps generally have a cosmetic blemish that in no way effects the reaction of the ball making it nearly as good as a 1st quality bowling ball. The Pin to CG Distance will be 2-4” and the Top Weight will be within 2-4 ounces. An X-Comp will have a C stamped by the serial number. The label on the box is stamped X-Comp and is marked with a small red number that denotes the specific issue.

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