Roto Grip Gremlin Tour X Bowling Ball spo-disabled Coverstock: Detonator 2020 Hybrid

Coverstock: Detonator 2020 Hybrid

Universal Slides: Fixed S8 Slide Soles on both shoes

Available in seven other colors

In Box: S6 Sole & H7 Heel

Roto Grip Gremlin Tour X Bowling Ball spo-disabled Coverstock: Detonator 2020 HybridRoto Grip Gremlin Tour X Bowling Ball The Rondure TOUR X Core is a better version of the well known Rondure shape that was made for top level control. By carefully changing the densities of the internal mass, both the Radius of Gyration and the Differential have been lowered to make a smooth, medium flaring motion that isn't symmetrical. This design gives high level players exactly what they want: great consistency, stability, and predictability. The