Roto Grip Idol Helios Bowling Ball Select Weight:15 lbs. This core has a very

This core has a very high RG and a very low differential

DV8 Intimidator Pearl

and the outer core has proven DynamiCore technology for more power on impact

DV8 Activ8 Hybrid Bowling Ball

The core modification increases the intermediate differential to a medium

Roto Grip Idol Helios Bowling Ball Select Weight:15 lbs. This core has a veryRoto Grip Idol Helios Bowling Ball The Idol continues with the Roto Grip Idol Helios! This ball uses the same low RG symmetric Ikon core as the previous Idol balls but introduces the XtremeTrax coverstock. The Roto Grip R&D team used a lot of chemistry to create the XtremeTrax Solid Reactive Coverstock that surrounds this ball. The core and cover combination found on the Idol Helios digs into heavy oil while also creating more angle as well as shape