Roto Grip Gremlin Tour X Bowling Ball meta-size-chart-images Core: Fireball

Core: Fireball

Ball 2- Hammer High Rev 3-D Offset Bowling Ball

5 & Womens 5-11

Reaction: Strong Overall Hook

Coverstock: S28 Hybrid Urethane

Roto Grip Gremlin Tour X Bowling Ball meta-size-chart-images Core: FireballRoto 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